Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W2119452868', 'doi': 'https://doi.org/10.1034/j.1600-0765.2003.00675.x', 'title': 'Immunoglobulin G profiles in different forms of periodontitis', 'display_name': 'Immunoglobulin G profiles in different forms of periodontitis', 'publication_year': 2003, 'publication_date': '2003-08-27', 'ids': {'openalex': 'https://openalex.org/W2119452868', 'doi': 'https://doi.org/10.1034/j.1600-0765.2003.00675.x', 'mag': '2119452868', 'pmid': 'https://pubmed.ncbi.nlm.nih.gov/12941070'}, 'language': 'en', 'primary_location': {'is_oa': False, 'landing_page_url': 'https://doi.org/10.1034/j.1600-0765.2003.00675.x', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S195000414', 'display_name': 'Journal of Periodontal Research', 'issn_l': '0022-3484', 'issn': ['0022-3484', '1600-0765'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310320595', 'host_organization_name': 'Wiley', 'host_organization_lineage': ['https://openalex.org/P4310320595'], 'host_organization_lineage_names': ['Wiley'], '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/A5051098553', 'display_name': 'Hsien‐Yang Chung', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I152743029', 'display_name': 'Kaohsiung Medical University', 'ror': 'https://ror.org/03gk81f96', 'country_code': 'TW', 'type': 'education', 'lineage': ['https://openalex.org/I152743029']}], 'countries': ['TW'], 'is_corresponding': False, 'raw_author_name': 'Hsien‐Yang Chung', 'raw_affiliation_strings': ['Department of Dentistry and', 'Graduate Institute of Dental Sciences, Kaohsiung Medical University, Taiwan', 'School of Dentistry, China Medical College Hospital,'], 'affiliations': [{'raw_affiliation_string': 'Department of Dentistry and', 'institution_ids': []}, {'raw_affiliation_string': 'School of Dentistry, China Medical College Hospital,', 'institution_ids': []}, {'raw_affiliation_string': 'Graduate Institute of Dental Sciences, Kaohsiung Medical University, Taiwan', 'institution_ids': ['https://openalex.org/I152743029']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5083828591', 'display_name': 'Hsi‐Chi Lu', 'orcid': 'https://orcid.org/0000-0002-2523-591X'}, 'institutions': [{'id': 'https://openalex.org/I169090423', 'display_name': 'Tunghai University', 'ror': 'https://ror.org/00zhvdn11', 'country_code': 'TW', 'type': 'education', 'lineage': ['https://openalex.org/I169090423']}, {'id': 'https://openalex.org/I4210155545', 'display_name': 'Chang Hua Hospital', 'ror': 'https://ror.org/04kqtxx50', 'country_code': 'TW', 'type': 'healthcare', 'lineage': ['https://openalex.org/I4210155545']}], 'countries': ['TW'], 'is_corresponding': False, 'raw_author_name': 'Hsi‐Chi Lu', 'raw_affiliation_strings': ['Department of Food Science, Tunghai University,', 'Department of Medical Education and Research, Chang Hua Christian Hospital,'], 'affiliations': [{'raw_affiliation_string': 'Department of Food Science, Tunghai University,', 'institution_ids': ['https://openalex.org/I169090423']}, {'raw_affiliation_string': 'Department of Medical Education and Research, Chang Hua Christian Hospital,', 'institution_ids': ['https://openalex.org/I4210155545']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5007183218', 'display_name': 'Woan‐Ling Chen', 'orcid': 'https://orcid.org/0000-0001-6246-8723'}, 'institutions': [{'id': 'https://openalex.org/I169090423', 'display_name': 'Tunghai University', 'ror': 'https://ror.org/00zhvdn11', 'country_code': 'TW', 'type': 'education', 'lineage': ['https://openalex.org/I169090423']}, {'id': 'https://openalex.org/I4210155545', 'display_name': 'Chang Hua Hospital', 'ror': 'https://ror.org/04kqtxx50', 'country_code': 'TW', 'type': 'healthcare', 'lineage': ['https://openalex.org/I4210155545']}], 'countries': ['TW'], 'is_corresponding': False, 'raw_author_name': 'Woan‐Ling Chen', 'raw_affiliation_strings': ['Department of Biology, Tunghai University,', 'Department of Medical Education and Research, Chang Hua Christian Hospital,'], 'affiliations': [{'raw_affiliation_string': 'Department of Biology, Tunghai University,', 'institution_ids': ['https://openalex.org/I169090423']}, {'raw_affiliation_string': 'Department of Medical Education and Research, Chang Hua Christian Hospital,', 'institution_ids': ['https://openalex.org/I4210155545']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5111465873', 'display_name': 'Chun‐Tai Lu', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I4210155545', 'display_name': 'Chang Hua Hospital', 'ror': 'https://ror.org/04kqtxx50', 'country_code': 'TW', 'type': 'healthcare', 'lineage': ['https://openalex.org/I4210155545']}], 'countries': ['TW'], 'is_corresponding': False, 'raw_author_name': 'Chun‐Tai Lu', 'raw_affiliation_strings': ['Department of Dentistry, Chang Hua Christian Hospital and'], 'affiliations': [{'raw_affiliation_string': 'Department of Dentistry, Chang Hua Christian Hospital and', 'institution_ids': ['https://openalex.org/I4210155545']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5091443977', 'display_name': 'Yi‐Hsin Yang', 'orcid': 'https://orcid.org/0000-0002-9581-2778'}, 'institutions': [{'id': 'https://openalex.org/I152743029', 'display_name': 'Kaohsiung Medical University', 'ror': 'https://ror.org/03gk81f96', 'country_code': 'TW', 'type': 'education', 'lineage': ['https://openalex.org/I152743029']}], 'countries': ['TW'], 'is_corresponding': False, 'raw_author_name': 'Yi‐Hsin Yang', 'raw_affiliation_strings': ['Graduate Institute of Dental Sciences, Kaohsiung Medical University, Taiwan'], 'affiliations': [{'raw_affiliation_string': 'Graduate Institute of Dental Sciences, Kaohsiung Medical University, Taiwan', 'institution_ids': ['https://openalex.org/I152743029']}]}, {'author_position': 'last', 'author': {'id': 'https://openalex.org/A5113489030', 'display_name': 'Chi‐Cheng Tsai', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I152743029', 'display_name': 'Kaohsiung Medical University', 'ror': 'https://ror.org/03gk81f96', 'country_code': 'TW', 'type': 'education', 'lineage': ['https://openalex.org/I152743029']}], 'countries': ['TW'], 'is_corresponding': False, 'raw_author_name': 'Chi‐Cheng Tsai', 'raw_affiliation_strings': ['Graduate Institute of Dental Sciences, Kaohsiung Medical University, Taiwan'], 'affiliations': [{'raw_affiliation_string': 'Graduate Institute of Dental Sciences, Kaohsiung Medical University, Taiwan', 'institution_ids': ['https://openalex.org/I152743029']}]}], 'institution_assertions': [], 'countries_distinct_count': 1, 'institutions_distinct_count': 3, 'corresponding_author_ids': [], 'corresponding_institution_ids': [], 'apc_list': {'value': 4430, 'currency': 'USD', 'value_usd': 4430, 'provenance': 'doaj'}, 'apc_paid': None, 'fwci': 0.0, 'has_fulltext': True, 'fulltext_origin': 'ngrams', 'cited_by_count': 16, 'citation_normalized_percentile': {'value': 0.611322, 'is_in_top_1_percent': False, 'is_in_top_10_percent': False}, 'cited_by_percentile_year': {'min': 83, 'max': 84}, 'biblio': {'volume': '38', 'issue': '5', 'first_page': '471', 'last_page': '476'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T11660', 'display_name': 'Blood groups and transfusion', 'score': 0.9995, 'subfield': {'id': 'https://openalex.org/subfields/2720', 'display_name': 'Hematology'}, '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/T11660', 'display_name': 'Blood groups and transfusion', 'score': 0.9995, 'subfield': {'id': 'https://openalex.org/subfields/2720', 'display_name': 'Hematology'}, '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/T12919', 'display_name': 'Blood disorders and treatments', 'score': 0.9978, 'subfield': {'id': 'https://openalex.org/subfields/1311', 'display_name': 'Genetics'}, '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'}}, {'id': 'https://openalex.org/T11725', 'display_name': 'Immunodeficiency and Autoimmune Disorders', 'score': 0.9969, 'subfield': {'id': 'https://openalex.org/subfields/2403', 'display_name': 'Immunology'}, 'field': {'id': 'https://openalex.org/fields/24', 'display_name': 'Immunology and Microbiology'}, 'domain': {'id': 'https://openalex.org/domains/1', 'display_name': 'Life Sciences'}}], 'keywords': [{'id': 'https://openalex.org/keywords/radial-immunodiffusion', 'display_name': 'Radial immunodiffusion', 'score': 0.88069963}, {'id': 'https://openalex.org/keywords/aggressive-periodontitis', 'display_name': 'Aggressive periodontitis', 'score': 0.6967635}, {'id': 'https://openalex.org/keywords/immunodiffusion', 'display_name': 'Immunodiffusion', 'score': 0.56022257}], 'concepts': [{'id': 'https://openalex.org/C49651878', 'wikidata': 'https://www.wikidata.org/wiki/Q1128474', 'display_name': 'Radial immunodiffusion', 'level': 3, 'score': 0.88069963}, {'id': 'https://openalex.org/C2780385504', 'wikidata': 'https://www.wikidata.org/wiki/Q520127', 'display_name': 'Periodontitis', 'level': 2, 'score': 0.880649}, {'id': 'https://openalex.org/C2778883934', 'wikidata': 'https://www.wikidata.org/wiki/Q4692285', 'display_name': 'Aggressive periodontitis', 'level': 3, 'score': 0.6967635}, {'id': 'https://openalex.org/C2779337755', 'wikidata': 'https://www.wikidata.org/wiki/Q5113988', 'display_name': 'Chronic periodontitis', 'level': 3, 'score': 0.6046351}, {'id': 'https://openalex.org/C71924100', 'wikidata': 'https://www.wikidata.org/wiki/Q11190', 'display_name': 'Medicine', 'level': 0, 'score': 0.5743852}, {'id': 'https://openalex.org/C196955773', 'wikidata': 'https://www.wikidata.org/wiki/Q256632', 'display_name': 'Immunodiffusion', 'level': 3, 'score': 0.56022257}, {'id': 'https://openalex.org/C159654299', 'wikidata': 'https://www.wikidata.org/wiki/Q79460', 'display_name': 'Antibody', 'level': 2, 'score': 0.5555513}, {'id': 'https://openalex.org/C203014093', 'wikidata': 'https://www.wikidata.org/wiki/Q101929', 'display_name': 'Immunology', 'level': 1, 'score': 0.5243616}, {'id': 'https://openalex.org/C2780898057', 'wikidata': 'https://www.wikidata.org/wiki/Q79448', 'display_name': 'Immunoglobulin G', 'level': 3, 'score': 0.44267508}, {'id': 'https://openalex.org/C126322002', 'wikidata': 'https://www.wikidata.org/wiki/Q11180', 'display_name': 'Internal medicine', 'level': 1, 'score': 0.41835576}, {'id': 'https://openalex.org/C90924648', 'wikidata': 'https://www.wikidata.org/wiki/Q120569', 'display_name': 'Gastroenterology', 'level': 1, 'score': 0.38359326}], 'mesh': [{'descriptor_ui': 'D007074', 'descriptor_name': 'Immunoglobulin G', 'qualifier_ui': 'Q000097', 'qualifier_name': 'blood', 'is_major_topic': True}, {'descriptor_ui': 'D010518', 'descriptor_name': 'Periodontitis', 'qualifier_ui': 'Q000276', 'qualifier_name': 'immunology', 'is_major_topic': True}, {'descriptor_ui': 'D000328', 'descriptor_name': 'Adult', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D000367', 'descriptor_name': 'Age Factors', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D010520', 'descriptor_name': 'Aggressive Periodontitis', 'qualifier_ui': 'Q000276', 'qualifier_name': 'immunology', 'is_major_topic': False}, {'descriptor_ui': 'D010520', 'descriptor_name': 'Aggressive Periodontitis', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D010520', 'descriptor_name': 'Aggressive Periodontitis', 'qualifier_ui': 'Q000097', 'qualifier_name': 'blood', 'is_major_topic': False}, {'descriptor_ui': 'D044466', 'descriptor_name': 'Asians', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D016022', 'descriptor_name': 'Case-Control Studies', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D004797', 'descriptor_name': 'Enzyme-Linked Immunosorbent Assay', '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': 'D006801', 'descriptor_name': 'Humans', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D007074', 'descriptor_name': 'Immunoglobulin G', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D007129', 'descriptor_name': 'Immunoglobulin Gm Allotypes', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D008297', 'descriptor_name': 'Male', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D008875', 'descriptor_name': 'Middle Aged', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D010518', 'descriptor_name': 'Periodontitis', 'qualifier_ui': 'Q000097', 'qualifier_name': 'blood', 'is_major_topic': False}, {'descriptor_ui': 'D010518', 'descriptor_name': 'Periodontitis', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D013624', 'descriptor_name': 'Taiwan', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}], 'locations_count': 2, 'locations': [{'is_oa': False, 'landing_page_url': 'https://doi.org/10.1034/j.1600-0765.2003.00675.x', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S195000414', 'display_name': 'Journal of Periodontal Research', 'issn_l': '0022-3484', 'issn': ['0022-3484', '1600-0765'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310320595', 'host_organization_name': 'Wiley', 'host_organization_lineage': ['https://openalex.org/P4310320595'], 'host_organization_lineage_names': ['Wiley'], '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/12941070', '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', 'score': 0.62, 'display_name': 'Good health and well-being'}], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 32, 'referenced_works': ['https://openalex.org/W1520299377', 'https://openalex.org/W174543522', 'https://openalex.org/W1770870063', 'https://openalex.org/W1946934095', 'https://openalex.org/W1963583786', 'https://openalex.org/W1965116667', 'https://openalex.org/W1969036692', 'https://openalex.org/W1981006816', 'https://openalex.org/W1986436894', 'https://openalex.org/W1993457295', 'https://openalex.org/W2007166383', 'https://openalex.org/W2007792654', 'https://openalex.org/W2011020802', 'https://openalex.org/W2018342695', 'https://openalex.org/W2023821748', 'https://openalex.org/W2031866624', 'https://openalex.org/W2039212055', 'https://openalex.org/W2046423843', 'https://openalex.org/W2057363603', 'https://openalex.org/W2068210133', 'https://openalex.org/W2075996960', 'https://openalex.org/W2079968709', 'https://openalex.org/W2092316451', 'https://openalex.org/W2095932979', 'https://openalex.org/W2101860712', 'https://openalex.org/W2114643962', 'https://openalex.org/W2122962612', 'https://openalex.org/W2126453675', 'https://openalex.org/W2133667912', 'https://openalex.org/W2136929229', 'https://openalex.org/W2151859936', 'https://openalex.org/W2159122913'], 'related_works': ['https://openalex.org/W4242409542', 'https://openalex.org/W4235548721', 'https://openalex.org/W3027203995', 'https://openalex.org/W2419132021', 'https://openalex.org/W2414344130', 'https://openalex.org/W2139175207', 'https://openalex.org/W1986877208', 'https://openalex.org/W1838190570', 'https://openalex.org/W1562547519', 'https://openalex.org/W1555004496'], 'abstract_inverted_index': {'Background:': [0], 'Races': [1], 'and': [2, 37, 82, 102, 167], 'Gm(23)': [3, 83, 171, 218], 'allotypes': [4, 84, 172, 219], 'can': [5], 'modify': [6], 'the': [7, 112, 157, 177], 'serum': [8, 15, 55, 70, 178], 'levels': [9, 16, 48, 71, 134, 155, 179, 210, 225], 'of': [10, 17, 20, 30, 66, 72, 114, 135, 180], 'IgG': [11, 18, 74, 116, 196], 'subclasses.': [12], 'The': [13, 69], 'average': [14], 'subclasses': [19, 75, 117], 'African‐Americans': [21], 'have': [22], 'been': [23], 'reported': [24], 'to': [25], 'be': [26], 'higher': [27, 46], 'than': [28, 49, 131], 'those': [29], 'Caucasians': [31], 'in': [32, 60, 91, 111, 118, 128, 140, 153, 182, 194, 198, 204, 226], 'both': [33], 'healthy': [34, 104], 'young': [35], 'adults': [36], 'patients': [38, 62, 93, 98, 119, 141, 199, 205], 'with': [39, 63, 94, 99, 120, 124, 142, 146, 176, 200, 206, 215], 'aggressive': [40, 100, 143, 207, 232], 'periodontitis;': [41], 'Gm(23)‐positive': [42], 'subjects': [43, 129], 'generally': [44], 'had': [45, 220], 'IgG2': [47, 136, 154, 181, 209, 224], 'Gm(23)‐negative': [50], 'subjects.': [51], 'Objective:': [52], 'We': [53, 148], 'examined': [54], 'immunoglobulin': [56], 'G': [57], '(IgG)': [58], 'concentrations': [59, 113], 'Taiwanese': [61], 'different': [64], 'forms': [65], 'periodontitis.': [67, 202, 233], 'Methods:': [68], 'four': [73, 115], 'were': [76, 85, 108, 137, 173, 211], 'determined': [77], 'by': [78, 87, 162], 'enzyme‐linked': [79], 'immunosorbent': [80], 'assay': [81], 'verified': [86], 'radial': [88], 'immunodiffusion': [89], 'tests': [90], '50': [92], 'chronic': [95, 121, 201, 229], 'periodontitis,': [96, 101, 208], '30': [97], '74': [103], 'controls.': [105, 126, 147, 217], 'Results:': [106], 'There': [107], 'no': [109, 221], 'differences': [110, 152], 'periodontitis': [122, 144, 230], 'compared': [123, 145, 214], 'age‐matched': [125, 216], 'However,': [127, 203], 'younger': [130], '35': [132, 165, 169], 'years,': [133], 'significantly': [138], 'elevated': [139], 'also': [149], 'found': [150], 'significant': [151, 192], 'within': [156], 'control': [158], 'group': [159], 'when': [160, 213], 'stratified': [161], 'age': [163], '(≤': [164], 'years': [166], '>': [168], 'years).': [170], 'not': [174, 190], 'correlated': [175], 'either': [183], 'patient': [184], 'group.': [185], 'Conclusion:': [186], 'Microbial': [187], 'challenge': [188], 'might': [189], 'provoke': [191], 'changes': [193], 'systemic': [195], 'response': [197], 'increased': [212], 'influence': [222], 'on': [223], 'well‐established': [227], 'generalized': [228], 'or': [231]}, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W2119452868', 'counts_by_year': [{'year': 2021, 'cited_by_count': 1}, {'year': 2018, 'cited_by_count': 1}, {'year': 2017, 'cited_by_count': 1}, {'year': 2014, 'cited_by_count': 2}, {'year': 2012, 'cited_by_count': 1}], 'updated_date': '2024-12-10T13:41:35.500125', 'created_date': '2016-06-24'}