Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W2155225999', 'doi': 'https://doi.org/10.1095/biolreprod.103.026542', 'title': 'Cryopreservation of Porcine Embryos Derived from In Vitro-Matured Oocytes1', 'display_name': 'Cryopreservation of Porcine Embryos Derived from In Vitro-Matured Oocytes1', 'publication_year': 2004, 'publication_date': '2004-08-01', 'ids': {'openalex': 'https://openalex.org/W2155225999', 'doi': 'https://doi.org/10.1095/biolreprod.103.026542', 'mag': '2155225999', 'pmid': 'https://pubmed.ncbi.nlm.nih.gov/15044264'}, 'language': 'en', 'primary_location': {'is_oa': True, 'landing_page_url': 'https://doi.org/10.1095/biolreprod.103.026542', 'pdf_url': 'https://academic.oup.com/biolreprod/article-pdf/71/2/432/10559094/biolreprod0432.pdf', 'source': {'id': 'https://openalex.org/S130598054', 'display_name': 'Biology of Reproduction', 'issn_l': '0006-3363', 'issn': ['0006-3363', '1529-7268'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310311648', 'host_organization_name': 'Oxford University Press', 'host_organization_lineage': ['https://openalex.org/P4310311647', 'https://openalex.org/P4310311648'], 'host_organization_lineage_names': ['University of Oxford', 'Oxford University Press'], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': 'publishedVersion', 'is_accepted': True, 'is_published': True}, 'type': 'article', 'type_crossref': 'journal-article', 'indexed_in': ['crossref', 'pubmed'], 'open_access': {'is_oa': True, 'oa_status': 'bronze', 'oa_url': 'https://academic.oup.com/biolreprod/article-pdf/71/2/432/10559094/biolreprod0432.pdf', 'any_repository_has_fulltext': False}, 'authorships': [{'author_position': 'first', 'author': {'id': 'https://openalex.org/A5021040894', 'display_name': 'Ritsuko Esaki', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I16656306', 'display_name': 'Meiji University', 'ror': 'https://ror.org/02rqvrp93', 'country_code': 'JP', 'type': 'education', 'lineage': ['https://openalex.org/I16656306']}], 'countries': ['JP'], 'is_corresponding': False, 'raw_author_name': 'Ritsuko Esaki', 'raw_affiliation_strings': ['Laboratory of Developmental Engineering, Department of Life Science, School of Agriculture, Meiji University, Kawasaki 214-8571, Japan'], 'affiliations': [{'raw_affiliation_string': 'Laboratory of Developmental Engineering, Department of Life Science, School of Agriculture, Meiji University, Kawasaki 214-8571, Japan', 'institution_ids': ['https://openalex.org/I16656306']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5008165332', 'display_name': 'Hideto Ueda', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I16656306', 'display_name': 'Meiji University', 'ror': 'https://ror.org/02rqvrp93', 'country_code': 'JP', 'type': 'education', 'lineage': ['https://openalex.org/I16656306']}], 'countries': ['JP'], 'is_corresponding': False, 'raw_author_name': 'Hideto Ueda', 'raw_affiliation_strings': ['Laboratory of Developmental Engineering, Department of Life Science, School of Agriculture, Meiji University, Kawasaki 214-8571, Japan'], 'affiliations': [{'raw_affiliation_string': 'Laboratory of Developmental Engineering, Department of Life Science, School of Agriculture, Meiji University, Kawasaki 214-8571, Japan', 'institution_ids': ['https://openalex.org/I16656306']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5024772741', 'display_name': 'Mayuko Kurome', 'orcid': 'https://orcid.org/0000-0002-2725-8613'}, 'institutions': [{'id': 'https://openalex.org/I16656306', 'display_name': 'Meiji University', 'ror': 'https://ror.org/02rqvrp93', 'country_code': 'JP', 'type': 'education', 'lineage': ['https://openalex.org/I16656306']}], 'countries': ['JP'], 'is_corresponding': False, 'raw_author_name': 'Mayuko Kurome', 'raw_affiliation_strings': ['Laboratory of Developmental Engineering, Department of Life Science, School of Agriculture, Meiji University, Kawasaki 214-8571, Japan'], 'affiliations': [{'raw_affiliation_string': 'Laboratory of Developmental Engineering, Department of Life Science, School of Agriculture, Meiji University, Kawasaki 214-8571, Japan', 'institution_ids': ['https://openalex.org/I16656306']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5017510615', 'display_name': 'Kazumasa Hirakawa', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I16656306', 'display_name': 'Meiji University', 'ror': 'https://ror.org/02rqvrp93', 'country_code': 'JP', 'type': 'education', 'lineage': ['https://openalex.org/I16656306']}], 'countries': ['JP'], 'is_corresponding': False, 'raw_author_name': 'Kazumasa Hirakawa', 'raw_affiliation_strings': ['Laboratory of Developmental Engineering, Department of Life Science, School of Agriculture, Meiji University, Kawasaki 214-8571, Japan'], 'affiliations': [{'raw_affiliation_string': 'Laboratory of Developmental Engineering, Department of Life Science, School of Agriculture, Meiji University, Kawasaki 214-8571, Japan', 'institution_ids': ['https://openalex.org/I16656306']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5020566380', 'display_name': 'R. Tomii', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I16656306', 'display_name': 'Meiji University', 'ror': 'https://ror.org/02rqvrp93', 'country_code': 'JP', 'type': 'education', 'lineage': ['https://openalex.org/I16656306']}], 'countries': ['JP'], 'is_corresponding': False, 'raw_author_name': 'Ryo Tomii', 'raw_affiliation_strings': ['Laboratory of Developmental Engineering, Department of Life Science, School of Agriculture, Meiji University, Kawasaki 214-8571, Japan'], 'affiliations': [{'raw_affiliation_string': 'Laboratory of Developmental Engineering, Department of Life Science, School of Agriculture, Meiji University, Kawasaki 214-8571, Japan', 'institution_ids': ['https://openalex.org/I16656306']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5040865500', 'display_name': 'Hiroki Yoshioka', 'orcid': 'https://orcid.org/0000-0002-0977-434X'}, 'institutions': [{'id': 'https://openalex.org/I16656306', 'display_name': 'Meiji University', 'ror': 'https://ror.org/02rqvrp93', 'country_code': 'JP', 'type': 'education', 'lineage': ['https://openalex.org/I16656306']}], 'countries': ['JP'], 'is_corresponding': False, 'raw_author_name': 'Hiroki Yoshioka', 'raw_affiliation_strings': ['Laboratory of Developmental Engineering, Department of Life Science, School of Agriculture, Meiji University, Kawasaki 214-8571, Japan'], 'affiliations': [{'raw_affiliation_string': 'Laboratory of Developmental Engineering, Department of Life Science, School of Agriculture, Meiji University, Kawasaki 214-8571, Japan', 'institution_ids': ['https://openalex.org/I16656306']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5061041085', 'display_name': 'Hitoshi Ushijima', 'orcid': 'https://orcid.org/0000-0002-7593-7063'}, 'institutions': [], 'countries': ['JP'], 'is_corresponding': False, 'raw_author_name': 'Hitoshi Ushijima', 'raw_affiliation_strings': ['Chiba Prefectural Animal Experimental Station, Chiba, 289-1113, Japan'], 'affiliations': [{'raw_affiliation_string': 'Chiba Prefectural Animal Experimental Station, Chiba, 289-1113, Japan', 'institution_ids': []}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5078124179', 'display_name': 'Masashige Kuwayama', 'orcid': None}, 'institutions': [], 'countries': ['JP'], 'is_corresponding': False, 'raw_author_name': 'Masashige Kuwayama', 'raw_affiliation_strings': ["Kato Ladies' Clinic, Shinjuku, Tokyo, 160-0023, Japan"], 'affiliations': [{'raw_affiliation_string': "Kato Ladies' Clinic, Shinjuku, Tokyo, 160-0023, Japan", 'institution_ids': []}]}, {'author_position': 'last', 'author': {'id': 'https://openalex.org/A5014684304', 'display_name': 'Hiroshi Nagashima', 'orcid': 'https://orcid.org/0000-0001-9940-8783'}, 'institutions': [{'id': 'https://openalex.org/I16656306', 'display_name': 'Meiji University', 'ror': 'https://ror.org/02rqvrp93', 'country_code': 'JP', 'type': 'education', 'lineage': ['https://openalex.org/I16656306']}], 'countries': ['JP'], 'is_corresponding': True, 'raw_author_name': 'Hiroshi Nagashima', 'raw_affiliation_strings': ['Laboratory of Developmental Engineering, Department of Life Science, School of Agriculture, Meiji University, Kawasaki 214-8571, Japan'], 'affiliations': [{'raw_affiliation_string': 'Laboratory of Developmental Engineering, Department of Life Science, School of Agriculture, Meiji University, Kawasaki 214-8571, Japan', 'institution_ids': ['https://openalex.org/I16656306']}]}], 'institution_assertions': [], 'countries_distinct_count': 1, 'institutions_distinct_count': 1, 'corresponding_author_ids': ['https://openalex.org/A5014684304'], 'corresponding_institution_ids': ['https://openalex.org/I16656306'], 'apc_list': {'value': 4217, 'currency': 'USD', 'value_usd': 4217, 'provenance': 'doaj'}, 'apc_paid': None, 'fwci': 7.573, 'has_fulltext': True, 'fulltext_origin': 'ngrams', 'cited_by_count': 96, 'citation_normalized_percentile': {'value': 0.999953, 'is_in_top_1_percent': True, 'is_in_top_10_percent': True}, 'cited_by_percentile_year': {'min': 96, 'max': 97}, 'biblio': {'volume': '71', 'issue': '2', 'first_page': '432', 'last_page': '437'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T10364', 'display_name': 'Fertility Preservation in Cancer Patients', 'score': 1.0, 'subfield': {'id': 'https://openalex.org/subfields/2739', 'display_name': 'Public Health, Environmental and Occupational Health'}, 'field': {'id': 'https://openalex.org/fields/27', 'display_name': 'Medicine'}, 'domain': {'id': 'https://openalex.org/domains/4', 'display_name': 'Health Sciences'}}, 'topics': [{'id': 'https://openalex.org/T10364', 'display_name': 'Fertility Preservation in Cancer Patients', 'score': 1.0, 'subfield': {'id': 'https://openalex.org/subfields/2739', 'display_name': 'Public Health, Environmental and Occupational Health'}, 'field': {'id': 'https://openalex.org/fields/27', 'display_name': 'Medicine'}, 'domain': {'id': 'https://openalex.org/domains/4', 'display_name': 'Health Sciences'}}, {'id': 'https://openalex.org/T10116', 'display_name': 'Male Reproductive Health', 'score': 0.9916, 'subfield': {'id': 'https://openalex.org/subfields/2743', 'display_name': 'Reproductive Medicine'}, 'field': {'id': 'https://openalex.org/fields/27', 'display_name': 'Medicine'}, 'domain': {'id': 'https://openalex.org/domains/4', 'display_name': 'Health Sciences'}}, {'id': 'https://openalex.org/T10505', 'display_name': 'Induction and Differentiation of Pluripotent Stem Cells', 'score': 0.9834, 'subfield': {'id': 'https://openalex.org/subfields/1312', 'display_name': 'Molecular Biology'}, 'field': {'id': 'https://openalex.org/fields/13', 'display_name': 'Biochemistry, Genetics and Molecular Biology'}, 'domain': {'id': 'https://openalex.org/domains/1', 'display_name': 'Life Sciences'}}], 'keywords': [{'id': 'https://openalex.org/keywords/vitrification', 'display_name': 'Vitrification', 'score': 0.92467254}, {'id': 'https://openalex.org/keywords/ovarian-tissue-cryopreservation', 'display_name': 'Ovarian Tissue Cryopreservation', 'score': 0.613001}, {'id': 'https://openalex.org/keywords/embryo-cryopreservation', 'display_name': 'Embryo cryopreservation', 'score': 0.5739501}, {'id': 'https://openalex.org/keywords/cryopreserved-oocytes', 'display_name': 'Cryopreserved Oocytes', 'score': 0.569181}, {'id': 'https://openalex.org/keywords/embryo-development', 'display_name': 'Embryo Development', 'score': 0.51452}], 'concepts': [{'id': 'https://openalex.org/C2778022349', 'wikidata': 'https://www.wikidata.org/wiki/Q1072553', 'display_name': 'Vitrification', 'level': 2, 'score': 0.92467254}, {'id': 'https://openalex.org/C179933525', 'wikidata': 'https://www.wikidata.org/wiki/Q1144664', 'display_name': 'Cryopreservation', 'level': 3, 'score': 0.92438126}, {'id': 'https://openalex.org/C196843134', 'wikidata': 'https://www.wikidata.org/wiki/Q33196', 'display_name': 'Embryo', 'level': 2, 'score': 0.7726332}, {'id': 'https://openalex.org/C16685009', 'wikidata': 'https://www.wikidata.org/wiki/Q335057', 'display_name': 'Andrology', 'level': 1, 'score': 0.75612164}, {'id': 'https://openalex.org/C86803240', 'wikidata': 'https://www.wikidata.org/wiki/Q420', 'display_name': 'Biology', 'level': 0, 'score': 0.72861445}, {'id': 'https://openalex.org/C2778177303', 'wikidata': 'https://www.wikidata.org/wiki/Q227717', 'display_name': 'Blastocyst', 'level': 4, 'score': 0.6354403}, {'id': 'https://openalex.org/C59843425', 'wikidata': 'https://www.wikidata.org/wiki/Q5370216', 'display_name': 'Embryo cryopreservation', 'level': 4, 'score': 0.5739501}, {'id': 'https://openalex.org/C2776283816', 'wikidata': 'https://www.wikidata.org/wiki/Q332823', 'display_name': 'Survival rate', 'level': 2, 'score': 0.55361557}, {'id': 'https://openalex.org/C87073359', 'wikidata': 'https://www.wikidata.org/wiki/Q33196', 'display_name': 'Embryogenesis', 'level': 3, 'score': 0.32006437}, {'id': 'https://openalex.org/C95444343', 'wikidata': 'https://www.wikidata.org/wiki/Q7141', 'display_name': 'Cell biology', 'level': 1, 'score': 0.12707415}, {'id': 'https://openalex.org/C142724271', 'wikidata': 'https://www.wikidata.org/wiki/Q7208', 'display_name': 'Pathology', 'level': 1, 'score': 0.07529634}, {'id': 'https://openalex.org/C71924100', 'wikidata': 'https://www.wikidata.org/wiki/Q11190', 'display_name': 'Medicine', 'level': 0, 'score': 0.046036243}], 'mesh': [{'descriptor_ui': 'D015925', 'descriptor_name': 'Cryopreservation', 'qualifier_ui': 'Q000379', 'qualifier_name': 'methods', 'is_major_topic': True}, {'descriptor_ui': 'D005307', 'descriptor_name': 'Fertilization in Vitro', 'qualifier_ui': 'Q000662', 'qualifier_name': 'veterinary', 'is_major_topic': True}, {'descriptor_ui': 'D009865', 'descriptor_name': 'Oocytes', 'qualifier_ui': 'Q000166', 'qualifier_name': 'cytology', 'is_major_topic': True}, {'descriptor_ui': 'D013552', 'descriptor_name': 'Swine', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': True}, {'descriptor_ui': 'D000818', 'descriptor_name': 'Animals', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D002470', 'descriptor_name': 'Cell Survival', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D015925', 'descriptor_name': 'Cryopreservation', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D005260', 'descriptor_name': 'Female', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D005307', 'descriptor_name': 'Fertilization in Vitro', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D066298', 'descriptor_name': 'In Vitro Techniques', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D009028', 'descriptor_name': 'Morula', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D009028', 'descriptor_name': 'Morula', 'qualifier_ui': 'Q000166', 'qualifier_name': 'cytology', 'is_major_topic': False}, {'descriptor_ui': 'D009865', 'descriptor_name': 'Oocytes', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}], 'locations_count': 2, 'locations': [{'is_oa': True, 'landing_page_url': 'https://doi.org/10.1095/biolreprod.103.026542', 'pdf_url': 'https://academic.oup.com/biolreprod/article-pdf/71/2/432/10559094/biolreprod0432.pdf', 'source': {'id': 'https://openalex.org/S130598054', 'display_name': 'Biology of Reproduction', 'issn_l': '0006-3363', 'issn': ['0006-3363', '1529-7268'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310311648', 'host_organization_name': 'Oxford University Press', 'host_organization_lineage': ['https://openalex.org/P4310311647', 'https://openalex.org/P4310311648'], 'host_organization_lineage_names': ['University of Oxford', 'Oxford University Press'], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': 'publishedVersion', 'is_accepted': True, 'is_published': True}, {'is_oa': False, 'landing_page_url': 'https://pubmed.ncbi.nlm.nih.gov/15044264', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S4306525036', 'display_name': 'PubMed', 'issn_l': None, 'issn': None, 'is_oa': False, 'is_in_doaj': False, 'is_core': False, 'host_organization': 'https://openalex.org/I1299303238', 'host_organization_name': 'National Institutes of Health', 'host_organization_lineage': ['https://openalex.org/I1299303238'], 'host_organization_lineage_names': ['National Institutes of Health'], 'type': 'repository'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}], 'best_oa_location': {'is_oa': True, 'landing_page_url': 'https://doi.org/10.1095/biolreprod.103.026542', 'pdf_url': 'https://academic.oup.com/biolreprod/article-pdf/71/2/432/10559094/biolreprod0432.pdf', 'source': {'id': 'https://openalex.org/S130598054', 'display_name': 'Biology of Reproduction', 'issn_l': '0006-3363', 'issn': ['0006-3363', '1529-7268'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310311648', 'host_organization_name': 'Oxford University Press', 'host_organization_lineage': ['https://openalex.org/P4310311647', 'https://openalex.org/P4310311648'], 'host_organization_lineage_names': ['University of Oxford', 'Oxford University Press'], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': 'publishedVersion', 'is_accepted': True, 'is_published': True}, 'sustainable_development_goals': [], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 39, 'referenced_works': ['https://openalex.org/W1548576901', 'https://openalex.org/W1549680994', 'https://openalex.org/W1916885428', 'https://openalex.org/W1964736116', 'https://openalex.org/W1971843304', 'https://openalex.org/W1972832879', 'https://openalex.org/W1987353211', 'https://openalex.org/W1987418209', 'https://openalex.org/W1989280787', 'https://openalex.org/W1991963255', 'https://openalex.org/W1997403002', 'https://openalex.org/W1997857916', 'https://openalex.org/W2000215836', 'https://openalex.org/W2001097904', 'https://openalex.org/W2009146209', 'https://openalex.org/W2011149030', 'https://openalex.org/W2014716898', 'https://openalex.org/W2017310773', 'https://openalex.org/W2027963235', 'https://openalex.org/W2031661391', 'https://openalex.org/W2033735287', 'https://openalex.org/W2036620812', 'https://openalex.org/W2040272213', 'https://openalex.org/W2044037816', 'https://openalex.org/W2047367562', 'https://openalex.org/W2056357870', 'https://openalex.org/W2067131371', 'https://openalex.org/W2069147427', 'https://openalex.org/W2099729200', 'https://openalex.org/W2135622905', 'https://openalex.org/W2163649189', 'https://openalex.org/W2169264000', 'https://openalex.org/W2285972583', 'https://openalex.org/W2302388149', 'https://openalex.org/W2312485606', 'https://openalex.org/W2443255679', 'https://openalex.org/W2755110591', 'https://openalex.org/W3135196232', 'https://openalex.org/W4249247036'], 'related_works': ['https://openalex.org/W2765324358', 'https://openalex.org/W2744507534', 'https://openalex.org/W2384135173', 'https://openalex.org/W2380446663', 'https://openalex.org/W2370281677', 'https://openalex.org/W2352962448', 'https://openalex.org/W2347701521', 'https://openalex.org/W2067986828', 'https://openalex.org/W2007651035', 'https://openalex.org/W1185765933'], 'abstract_inverted_index': {'This': [0], 'study': [1], 'describes': [2], 'a': [3, 14, 113], 'cryopreservation': [4, 79], 'method': [5, 41, 115, 141], 'for': [6], 'porcine': [7, 102, 124], 'in': [8, 20, 142], 'vitro-produced': [9], '(IVP)': [10], 'embryos': [11, 17, 25, 72, 92, 125], 'using': [12, 35, 138], 'as': [13], 'model': [15], 'parthenogenetic': [16], 'derived': [18, 126], 'from': [19, 127], 'vitro-matured': [21], '(IVM)': [22], 'oocytes.': [23], 'IVP': [24, 71, 103], 'at': [26, 73], 'the': [27, 36, 61, 74, 139], 'expanded': [28], 'blastocyst': [29], 'stage': [30, 76], 'were': [31], 'cryopreserved': [32, 107, 133], 'by': [33, 59, 108, 112], 'vitrification': [34, 109], 'minimum': [37], 'volume': [38], 'cooling': [39], '(MVC)': [40], 'and': [42], 'exhibited': [43], 'an': [44], 'embryo': [45, 136], 'survival': [46, 89, 137], 'rate': [47], 'of': [48, 63, 90], '41.2%.': [49], 'Survival': [50], 'was': [51, 93, 99], 'then': [52], 'significantly': [53], 'improved': [54], '(83.3%,': [55], 'P': [56], '<': [57], '0.05)': [58], 'decreasing': [60], 'amount': [62], 'cytoplasmic': [64], 'lipid': [65], 'droplets': [66], '(delipation)': [67], 'prior': [68], 'to': [69], 'vitrification.': [70], '4-cell': [75], 'also': [77], 'survived': [78], 'when': [80], 'vitrified': [81], 'after': [82], 'delipation': [83, 111], '(survival': [84, 116], 'rate,': [85, 117], '36.0%),': [86], 'whereas': [87], 'post-thaw': [88], 'nondelipated': [91], 'quite': [94], 'low': [95], '(9.7%).': [96], 'Furthermore,': [97], 'it': [98], 'demonstrated': [100], 'that': [101, 123], 'morulae': [104], 'can': [105, 130], 'be': [106, 131], 'following': [110], 'noninvasive': [114], '82.5%).': [118], 'These': [119], 'results': [120], 'clearly': [121], 'confirm': [122], 'IVM': [128], 'oocytes': [129], 'effectively': [132], 'with': [134, 144], 'high': [135], 'MVC': [140], 'conjunction': [143], 'delipation.': [145]}, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W2155225999', 'counts_by_year': [{'year': 2024, 'cited_by_count': 1}, {'year': 2023, 'cited_by_count': 1}, {'year': 2022, 'cited_by_count': 3}, {'year': 2021, 'cited_by_count': 3}, {'year': 2020, 'cited_by_count': 3}, {'year': 2019, 'cited_by_count': 4}, {'year': 2018, 'cited_by_count': 1}, {'year': 2017, 'cited_by_count': 1}, {'year': 2016, 'cited_by_count': 5}, {'year': 2015, 'cited_by_count': 9}, {'year': 2014, 'cited_by_count': 4}, {'year': 2013, 'cited_by_count': 8}, {'year': 2012, 'cited_by_count': 10}], 'updated_date': '2024-09-19T18:22:57.911948', 'created_date': '2016-06-24'}