Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W2044906171', 'doi': 'https://doi.org/10.1210/endo-89-1-1', 'title': 'Cytoplasmic Granules and Relaxin Levels in Porcine Corpora Lutea12', 'display_name': 'Cytoplasmic Granules and Relaxin Levels in Porcine Corpora Lutea12', 'publication_year': 1971, 'publication_date': '1971-07-01', 'ids': {'openalex': 'https://openalex.org/W2044906171', 'doi': 'https://doi.org/10.1210/endo-89-1-1', 'mag': '2044906171', 'pmid': 'https://pubmed.ncbi.nlm.nih.gov/5103607'}, 'language': 'en', 'primary_location': {'is_oa': False, 'landing_page_url': 'https://doi.org/10.1210/endo-89-1-1', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S157527038', 'display_name': 'Endocrinology', 'issn_l': '0013-7227', 'issn': ['0013-7227', '1945-7170'], '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': None, 'is_accepted': False, 'is_published': False}, 'type': 'article', 'type_crossref': 'journal-article', 'indexed_in': ['crossref', 'pubmed'], 'open_access': {'is_oa': False, 'oa_status': 'closed', 'oa_url': None, 'any_repository_has_fulltext': False}, 'authorships': [{'author_position': 'first', 'author': {'id': 'https://openalex.org/A5081370228', 'display_name': 'W Duane Belt', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I173911158', 'display_name': 'Iowa State University', 'ror': 'https://ror.org/04rswrd78', 'country_code': 'US', 'type': 'education', 'lineage': ['https://openalex.org/I173911158']}, {'id': 'https://openalex.org/I121934306', 'display_name': 'Tufts University', 'ror': 'https://ror.org/05wvpxv85', 'country_code': 'US', 'type': 'education', 'lineage': ['https://openalex.org/I121934306']}], 'countries': ['US'], 'is_corresponding': False, 'raw_author_name': 'W. D. BELT', 'raw_affiliation_strings': ['*Department of Anatomy, Tufts University School of Medicine, Boston, Massachusetts 02111', 'Department of Animal Science, Iowa State University, Ames, Iowa 50010'], 'affiliations': [{'raw_affiliation_string': 'Department of Animal Science, Iowa State University, Ames, Iowa 50010', 'institution_ids': ['https://openalex.org/I173911158']}, {'raw_affiliation_string': '*Department of Anatomy, Tufts University School of Medicine, Boston, Massachusetts 02111', 'institution_ids': ['https://openalex.org/I121934306']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5103441346', 'display_name': 'Lloyd L. Anderson', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I173911158', 'display_name': 'Iowa State University', 'ror': 'https://ror.org/04rswrd78', 'country_code': 'US', 'type': 'education', 'lineage': ['https://openalex.org/I173911158']}, {'id': 'https://openalex.org/I121934306', 'display_name': 'Tufts University', 'ror': 'https://ror.org/05wvpxv85', 'country_code': 'US', 'type': 'education', 'lineage': ['https://openalex.org/I121934306']}], 'countries': ['US'], 'is_corresponding': False, 'raw_author_name': 'L. L. ANDERSON', 'raw_affiliation_strings': ['*Department of Anatomy, Tufts University School of Medicine, Boston, Massachusetts 02111', 'Department of Animal Science, Iowa State University, Ames, Iowa 50010'], 'affiliations': [{'raw_affiliation_string': 'Department of Animal Science, Iowa State University, Ames, Iowa 50010', 'institution_ids': ['https://openalex.org/I173911158']}, {'raw_affiliation_string': '*Department of Anatomy, Tufts University School of Medicine, Boston, Massachusetts 02111', 'institution_ids': ['https://openalex.org/I121934306']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5006720656', 'display_name': 'Lauro F. Cavazos', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I173911158', 'display_name': 'Iowa State University', 'ror': 'https://ror.org/04rswrd78', 'country_code': 'US', 'type': 'education', 'lineage': ['https://openalex.org/I173911158']}, {'id': 'https://openalex.org/I121934306', 'display_name': 'Tufts University', 'ror': 'https://ror.org/05wvpxv85', 'country_code': 'US', 'type': 'education', 'lineage': ['https://openalex.org/I121934306']}], 'countries': ['US'], 'is_corresponding': False, 'raw_author_name': 'L. F. CAVAZOS', 'raw_affiliation_strings': ['*Department of Anatomy, Tufts University School of Medicine, Boston, Massachusetts 02111', 'Department of Animal Science, Iowa State University, Ames, Iowa 50010'], 'affiliations': [{'raw_affiliation_string': 'Department of Animal Science, Iowa State University, Ames, Iowa 50010', 'institution_ids': ['https://openalex.org/I173911158']}, {'raw_affiliation_string': '*Department of Anatomy, Tufts University School of Medicine, Boston, Massachusetts 02111', 'institution_ids': ['https://openalex.org/I121934306']}]}, {'author_position': 'last', 'author': {'id': 'https://openalex.org/A5071326347', 'display_name': 'R. M. Melampy', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I121934306', 'display_name': 'Tufts University', 'ror': 'https://ror.org/05wvpxv85', 'country_code': 'US', 'type': 'education', 'lineage': ['https://openalex.org/I121934306']}, {'id': 'https://openalex.org/I173911158', 'display_name': 'Iowa State University', 'ror': 'https://ror.org/04rswrd78', 'country_code': 'US', 'type': 'education', 'lineage': ['https://openalex.org/I173911158']}], 'countries': ['US'], 'is_corresponding': False, 'raw_author_name': 'R. M. MELAMPY', 'raw_affiliation_strings': ['*Department of Anatomy, Tufts University School of Medicine, Boston, Massachusetts 02111', 'Department of Animal Science, Iowa State University, Ames, Iowa 50010'], 'affiliations': [{'raw_affiliation_string': '*Department of Anatomy, Tufts University School of Medicine, Boston, Massachusetts 02111', 'institution_ids': ['https://openalex.org/I121934306']}, {'raw_affiliation_string': 'Department of Animal Science, Iowa State University, Ames, Iowa 50010', 'institution_ids': ['https://openalex.org/I173911158']}]}], 'countries_distinct_count': 1, 'institutions_distinct_count': 2, 'corresponding_author_ids': [], 'corresponding_institution_ids': [], 'apc_list': {'value': 3400, 'currency': 'USD', 'value_usd': 3400, 'provenance': 'doaj'}, 'apc_paid': None, 'fwci': 7.585, 'has_fulltext': True, 'fulltext_origin': 'ngrams', 'cited_by_count': 98, 'citation_normalized_percentile': {'value': 0.98024, 'is_in_top_1_percent': False, 'is_in_top_10_percent': True}, 'cited_by_percentile_year': {'min': 97, 'max': 98}, 'biblio': {'volume': '89', 'issue': '1', 'first_page': '1', 'last_page': '10'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T12715', 'display_name': 'Pregnancy-related Pelvic Girdle and Low Back Pain', 'score': 0.998, '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/T12715', 'display_name': 'Pregnancy-related Pelvic Girdle and Low Back Pain', 'score': 0.998, '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'}}], 'keywords': [{'id': 'https://openalex.org/keywords/relaxin', 'display_name': 'Relaxin', 'score': 0.488644}], 'concepts': [{'id': 'https://openalex.org/C2777121736', 'wikidata': 'https://www.wikidata.org/wiki/Q24773888', 'display_name': 'Relaxin', 'level': 3, 'score': 0.9948461}, {'id': 'https://openalex.org/C2776608385', 'wikidata': 'https://www.wikidata.org/wiki/Q749637', 'display_name': 'Corpus luteum', 'level': 3, 'score': 0.9587824}, {'id': 'https://openalex.org/C143228043', 'wikidata': 'https://www.wikidata.org/wiki/Q2363481', 'display_name': 'Luteal phase', 'level': 3, 'score': 0.8085023}, {'id': 'https://openalex.org/C190062978', 'wikidata': 'https://www.wikidata.org/wiki/Q79899', 'display_name': 'Cytoplasm', 'level': 2, 'score': 0.6797507}, {'id': 'https://openalex.org/C134018914', 'wikidata': 'https://www.wikidata.org/wiki/Q162606', 'display_name': 'Endocrinology', 'level': 1, 'score': 0.678504}, {'id': 'https://openalex.org/C126322002', 'wikidata': 'https://www.wikidata.org/wiki/Q11180', 'display_name': 'Internal medicine', 'level': 1, 'score': 0.67738}, {'id': 'https://openalex.org/C2779234561', 'wikidata': 'https://www.wikidata.org/wiki/Q11995', 'display_name': 'Pregnancy', 'level': 2, 'score': 0.6183356}, {'id': 'https://openalex.org/C86803240', 'wikidata': 'https://www.wikidata.org/wiki/Q420', 'display_name': 'Biology', 'level': 0, 'score': 0.4905178}, {'id': 'https://openalex.org/C2778324911', 'wikidata': 'https://www.wikidata.org/wiki/Q9631', 'display_name': 'Ovary', 'level': 2, 'score': 0.45599788}, {'id': 'https://openalex.org/C16685009', 'wikidata': 'https://www.wikidata.org/wiki/Q335057', 'display_name': 'Andrology', 'level': 1, 'score': 0.33268103}, {'id': 'https://openalex.org/C71315377', 'wikidata': 'https://www.wikidata.org/wiki/Q11364', 'display_name': 'Hormone', 'level': 2, 'score': 0.27883404}, {'id': 'https://openalex.org/C71924100', 'wikidata': 'https://www.wikidata.org/wiki/Q11190', 'display_name': 'Medicine', 'level': 0, 'score': 0.15985996}, {'id': 'https://openalex.org/C95444343', 'wikidata': 'https://www.wikidata.org/wiki/Q7141', 'display_name': 'Cell biology', 'level': 1, 'score': 0.10874483}, {'id': 'https://openalex.org/C54355233', 'wikidata': 'https://www.wikidata.org/wiki/Q7162', 'display_name': 'Genetics', 'level': 1, 'score': 0.0}], 'mesh': [{'descriptor_ui': 'D003338', 'descriptor_name': 'Corpus Luteum', 'qualifier_ui': 'Q000166', 'qualifier_name': 'cytology', 'is_major_topic': True}, {'descriptor_ui': 'D003594', 'descriptor_name': 'Cytoplasmic Granules', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': True}, {'descriptor_ui': 'D011270', 'descriptor_name': 'Pregnancy, Animal', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': True}, {'descriptor_ui': 'D012065', 'descriptor_name': 'Relaxin', 'qualifier_ui': 'Q000032', 'qualifier_name': 'analysis', 'is_major_topic': True}, {'descriptor_ui': 'D000818', 'descriptor_name': 'Animals', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D003338', 'descriptor_name': 'Corpus Luteum', 'qualifier_ui': 'Q000032', 'qualifier_name': 'analysis', 'is_major_topic': False}, {'descriptor_ui': 'D003338', 'descriptor_name': 'Corpus Luteum', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D003338', 'descriptor_name': 'Corpus Luteum', 'qualifier_ui': 'Q000502', 'qualifier_name': 'physiology', 'is_major_topic': False}, {'descriptor_ui': 'D004721', 'descriptor_name': 'Endoplasmic Reticulum', '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': 'D006056', 'descriptor_name': 'Golgi Apparatus', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D008854', 'descriptor_name': 'Microscopy, Electron', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D008928', 'descriptor_name': 'Mitochondria', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D011247', 'descriptor_name': 'Pregnancy', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D012065', 'descriptor_name': 'Relaxin', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D013552', 'descriptor_name': 'Swine', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}], 'locations_count': 2, 'locations': [{'is_oa': False, 'landing_page_url': 'https://doi.org/10.1210/endo-89-1-1', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S157527038', 'display_name': 'Endocrinology', 'issn_l': '0013-7227', 'issn': ['0013-7227', '1945-7170'], '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': None, 'is_accepted': False, 'is_published': False}, {'is_oa': False, 'landing_page_url': 'https://pubmed.ncbi.nlm.nih.gov/5103607', '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': None, 'sustainable_development_goals': [{'id': 'https://metadata.un.org/sdg/3', 'display_name': 'Good health and well-being', 'score': 0.71}], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 0, 'referenced_works': [], 'related_works': ['https://openalex.org/W643340119', 'https://openalex.org/W2596919727', 'https://openalex.org/W2465257829', 'https://openalex.org/W2330686657', 'https://openalex.org/W2116337251', 'https://openalex.org/W2073373208', 'https://openalex.org/W2044906171', 'https://openalex.org/W1986869088', 'https://openalex.org/W1982629628', 'https://openalex.org/W1515639876'], 'abstract_inverted_index': {'The': [0, 29], 'fine': [1], 'structure': [2], 'of': [3, 14, 27, 33, 39, 54, 63], 'the': [4, 37, 51, 58, 78], 'porcine': [5], 'corpus': [6], 'luteum': [7], 'has': [8], 'been': [9], 'examined': [10], 'throughout': [11], 'pregnancy;': [12], 'levels': [13], 'relaxin': [15, 64], 'in': [16, 36, 43, 50, 65], 'luteal': [17, 41], 'tissue': [18], 'were': [19], 'determined': [20], 'by': [21], 'biological': [22], 'assay': [23], 'at': [24], 'late': [25], 'stages': [26], 'pregnancy.': [28], 'appearance': [30], 'and': [31, 45, 47, 61, 69], 'accumulation': [32], 'dense': [34], 'granules': [35, 79], 'cytoplasm': [38], 'granulosa': [40], 'cells': [42], 'early': [44], 'midgestation': [46], 'their': [48], 'disappearance': [49], 'last': [52], 'days': [53], 'pregnancy': [55], 'paralleled': [56], 'closely': [57], 'rise': [59], '(1)': [60], 'fall': [62], 'corpora': [66], 'lutea.': [67], 'This': [68], 'other': [70], 'correlative': [71], 'evidence': [72], 'is': [73], 'interpreted': [74], 'as': [75], 'suggesting': [76], 'that': [77], 'may': [80], 'contain': [81], 'relaxin.': [82], '(Endocrinology89:': [83], '1,': [84], '1971)': [85]}, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W2044906171', 'counts_by_year': [{'year': 2023, 'cited_by_count': 1}, {'year': 2021, 'cited_by_count': 1}, {'year': 2018, 'cited_by_count': 7}, {'year': 2013, 'cited_by_count': 1}], 'updated_date': '2024-09-11T23:07:15.964010', 'created_date': '2016-06-24'}