Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W1989611089', 'doi': 'https://doi.org/10.1016/s0735-1097(02)81924-6', 'title': 'The six-minute-walk test better reflects the improvement in valve hemodynamics after percutaneous mitral valvuloplasty for mitral stenosis', 'display_name': 'The six-minute-walk test better reflects the improvement in valve hemodynamics after percutaneous mitral valvuloplasty for mitral stenosis', 'publication_year': 2002, 'publication_date': '2002-03-01', 'ids': {'openalex': 'https://openalex.org/W1989611089', 'doi': 'https://doi.org/10.1016/s0735-1097(02)81924-6', 'mag': '1989611089'}, 'language': 'en', 'primary_location': {'is_oa': True, 'landing_page_url': 'https://doi.org/10.1016/s0735-1097(02)81924-6', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S60865174', 'display_name': 'Journal of the American College of Cardiology', 'issn_l': '0735-1097', 'issn': ['0735-1097', '1558-3597'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310320990', 'host_organization_name': 'Elsevier BV', 'host_organization_lineage': ['https://openalex.org/P4310320990'], 'host_organization_lineage_names': ['Elsevier BV'], 'type': 'journal'}, 'license': 'publisher-specific-oa', 'license_id': 'https://openalex.org/licenses/publisher-specific-oa', 'version': 'publishedVersion', 'is_accepted': True, 'is_published': True}, 'type': 'article', 'type_crossref': 'journal-article', 'indexed_in': ['crossref'], 'open_access': {'is_oa': True, 'oa_status': 'bronze', 'oa_url': 'https://doi.org/10.1016/s0735-1097(02)81924-6', 'any_repository_has_fulltext': False}, 'authorships': [{'author_position': 'first', 'author': {'id': 'https://openalex.org/A5110316428', 'display_name': 'Jean Pierre Dery', 'orcid': None}, 'institutions': [], 'countries': [], 'is_corresponding': False, 'raw_author_name': 'Jean Pierre Dery', 'raw_affiliation_strings': [], 'affiliations': []}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5009728510', 'display_name': 'Philippe Pîbarot', 'orcid': 'https://orcid.org/0000-0002-3607-279X'}, 'institutions': [], 'countries': [], 'is_corresponding': False, 'raw_author_name': 'Philippe Pibarot', 'raw_affiliation_strings': [], 'affiliations': []}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5108074928', 'display_name': 'Jean G. Dumesnil', 'orcid': None}, 'institutions': [], 'countries': [], 'is_corresponding': False, 'raw_author_name': 'Jean G. Dumesnil', 'raw_affiliation_strings': [], 'affiliations': []}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5111738080', 'display_name': 'Jean Jobin', 'orcid': None}, 'institutions': [], 'countries': [], 'is_corresponding': False, 'raw_author_name': 'Jean Jobin', 'raw_affiliation_strings': [], 'affiliations': []}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5032182012', 'display_name': 'Isabelle Laforest', 'orcid': None}, 'institutions': [], 'countries': [], 'is_corresponding': False, 'raw_author_name': 'Isabelle Laforest', 'raw_affiliation_strings': [], 'affiliations': []}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5110041828', 'display_name': 'Réjean Lamontagne', 'orcid': None}, 'institutions': [], 'countries': [], 'is_corresponding': False, 'raw_author_name': 'Réjean Lamontagne', 'raw_affiliation_strings': [], 'affiliations': []}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5070464202', 'display_name': 'Martin Noël', 'orcid': 'https://orcid.org/0000-0003-4431-7715'}, 'institutions': [], 'countries': [], 'is_corresponding': False, 'raw_author_name': 'Martin Noël', 'raw_affiliation_strings': [], 'affiliations': []}, {'author_position': 'last', 'author': {'id': 'https://openalex.org/A5111455313', 'display_name': 'Jean-Roch Boudreault', 'orcid': None}, 'institutions': [], 'countries': [], 'is_corresponding': False, 'raw_author_name': 'Jean-Roch Boudreault', 'raw_affiliation_strings': [], 'affiliations': []}], 'institution_assertions': [], 'countries_distinct_count': 0, 'institutions_distinct_count': 0, 'corresponding_author_ids': [], 'corresponding_institution_ids': [], 'apc_list': {'value': 6500, 'currency': 'USD', 'value_usd': 6500, 'provenance': 'doaj'}, 'apc_paid': None, 'fwci': 0.192, 'has_fulltext': True, 'fulltext_origin': 'ngrams', 'cited_by_count': 1, 'citation_normalized_percentile': {'value': 0.452833, 'is_in_top_1_percent': False, 'is_in_top_10_percent': False}, 'cited_by_percentile_year': {'min': 57, 'max': 64}, 'biblio': {'volume': '39', 'issue': None, 'first_page': '429', 'last_page': '429'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T10172', 'display_name': 'Cardiac Valve Diseases and Treatments', 'score': 0.9995, 'subfield': {'id': 'https://openalex.org/subfields/2705', 'display_name': 'Cardiology and Cardiovascular Medicine'}, '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/T10172', 'display_name': 'Cardiac Valve Diseases and Treatments', 'score': 0.9995, 'subfield': {'id': 'https://openalex.org/subfields/2705', 'display_name': 'Cardiology and Cardiovascular 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/T10598', 'display_name': 'Cardiac pacing and defibrillation studies', 'score': 0.9921, 'subfield': {'id': 'https://openalex.org/subfields/2705', 'display_name': 'Cardiology and Cardiovascular 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/T11217', 'display_name': 'Cardiac Arrhythmias and Treatments', 'score': 0.9853, 'subfield': {'id': 'https://openalex.org/subfields/2705', 'display_name': 'Cardiology and Cardiovascular Medicine'}, '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/mitral-valvuloplasty', 'display_name': 'Mitral valvuloplasty', 'score': 0.6111372}, {'id': 'https://openalex.org/keywords/mitral-valve-stenosis', 'display_name': 'Mitral valve stenosis', 'score': 0.4614775}], 'concepts': [{'id': 'https://openalex.org/C71924100', 'wikidata': 'https://www.wikidata.org/wiki/Q11190', 'display_name': 'Medicine', 'level': 0, 'score': 0.94818676}, {'id': 'https://openalex.org/C164705383', 'wikidata': 'https://www.wikidata.org/wiki/Q10379', 'display_name': 'Cardiology', 'level': 1, 'score': 0.7154834}, {'id': 'https://openalex.org/C126322002', 'wikidata': 'https://www.wikidata.org/wiki/Q11180', 'display_name': 'Internal medicine', 'level': 1, 'score': 0.6909879}, {'id': 'https://openalex.org/C178853913', 'wikidata': 'https://www.wikidata.org/wiki/Q1642137', 'display_name': 'Hemodynamics', 'level': 2, 'score': 0.66343856}, {'id': 'https://openalex.org/C2780007028', 'wikidata': 'https://www.wikidata.org/wiki/Q2343082', 'display_name': 'Stenosis', 'level': 2, 'score': 0.64191705}, {'id': 'https://openalex.org/C2780813298', 'wikidata': 'https://www.wikidata.org/wiki/Q2071287', 'display_name': 'Percutaneous', 'level': 2, 'score': 0.6342015}, {'id': 'https://openalex.org/C2909823619', 'wikidata': 'https://www.wikidata.org/wiki/Q1140794', 'display_name': 'Mitral valvuloplasty', 'level': 3, 'score': 0.6111372}, {'id': 'https://openalex.org/C2780703314', 'wikidata': 'https://www.wikidata.org/wiki/Q1140794', 'display_name': 'Mitral valve stenosis', 'level': 3, 'score': 0.4614775}, {'id': 'https://openalex.org/C2777543888', 'wikidata': 'https://www.wikidata.org/wiki/Q369939', 'display_name': 'Mitral valve', 'level': 2, 'score': 0.4573864}], 'mesh': [], 'locations_count': 1, 'locations': [{'is_oa': True, 'landing_page_url': 'https://doi.org/10.1016/s0735-1097(02)81924-6', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S60865174', 'display_name': 'Journal of the American College of Cardiology', 'issn_l': '0735-1097', 'issn': ['0735-1097', '1558-3597'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310320990', 'host_organization_name': 'Elsevier BV', 'host_organization_lineage': ['https://openalex.org/P4310320990'], 'host_organization_lineage_names': ['Elsevier BV'], 'type': 'journal'}, 'license': 'publisher-specific-oa', 'license_id': 'https://openalex.org/licenses/publisher-specific-oa', 'version': 'publishedVersion', 'is_accepted': True, 'is_published': True}], 'best_oa_location': {'is_oa': True, 'landing_page_url': 'https://doi.org/10.1016/s0735-1097(02)81924-6', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S60865174', 'display_name': 'Journal of the American College of Cardiology', 'issn_l': '0735-1097', 'issn': ['0735-1097', '1558-3597'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310320990', 'host_organization_name': 'Elsevier BV', 'host_organization_lineage': ['https://openalex.org/P4310320990'], 'host_organization_lineage_names': ['Elsevier BV'], 'type': 'journal'}, 'license': 'publisher-specific-oa', 'license_id': 'https://openalex.org/licenses/publisher-specific-oa', 'version': 'publishedVersion', 'is_accepted': True, 'is_published': True}, 'sustainable_development_goals': [], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 0, 'referenced_works': [], 'related_works': ['https://openalex.org/W3039615847', 'https://openalex.org/W2587812621', 'https://openalex.org/W2388595354', 'https://openalex.org/W2378198539', 'https://openalex.org/W2315135566', 'https://openalex.org/W2258674373', 'https://openalex.org/W2101279438', 'https://openalex.org/W2090902263', 'https://openalex.org/W2071385539', 'https://openalex.org/W1977330466'], 'abstract_inverted_index': None, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W1989611089', 'counts_by_year': [], 'updated_date': '2024-12-16T09:11:12.632585', 'created_date': '2016-06-24'}