Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W2017185135', 'doi': 'https://doi.org/10.1016/j.ahj.2003.10.024', 'title': 'Eight weeks of moderate-intensity exercise training increases heart rate variability in sedentary postmenopausal women', 'display_name': 'Eight weeks of moderate-intensity exercise training increases heart rate variability in sedentary postmenopausal women', 'publication_year': 2004, 'publication_date': '2004-05-01', 'ids': {'openalex': 'https://openalex.org/W2017185135', 'doi': 'https://doi.org/10.1016/j.ahj.2003.10.024', 'mag': '2017185135', 'pmid': 'https://pubmed.ncbi.nlm.nih.gov/15131556'}, 'language': 'en', 'primary_location': {'is_oa': False, 'landing_page_url': 'https://doi.org/10.1016/j.ahj.2003.10.024', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S46995015', 'display_name': 'American Heart Journal', 'issn_l': '0002-8703', 'issn': ['0002-8703', '1097-6744'], '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': 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/A5011752956', 'display_name': 'Radim Jurča', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I4210155677', 'display_name': 'Cooper Institute', 'ror': 'https://ror.org/04d6b6d46', 'country_code': 'US', 'type': 'nonprofit', 'lineage': ['https://openalex.org/I4210155677']}], 'countries': ['US'], 'is_corresponding': False, 'raw_author_name': 'Radim Jurca', 'raw_affiliation_strings': ['The Cooper Institute, Dallas, Tex, USA'], 'affiliations': [{'raw_affiliation_string': 'The Cooper Institute, Dallas, Tex, USA', 'institution_ids': ['https://openalex.org/I4210155677']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5111973009', 'display_name': 'Timothy S. Church', 'orcid': 'https://orcid.org/0000-0002-1039-0298'}, 'institutions': [{'id': 'https://openalex.org/I4210155677', 'display_name': 'Cooper Institute', 'ror': 'https://ror.org/04d6b6d46', 'country_code': 'US', 'type': 'nonprofit', 'lineage': ['https://openalex.org/I4210155677']}], 'countries': ['US'], 'is_corresponding': False, 'raw_author_name': 'Timothy S Church', 'raw_affiliation_strings': ['The Cooper Institute, Dallas, Tex, USA'], 'affiliations': [{'raw_affiliation_string': 'The Cooper Institute, Dallas, Tex, USA', 'institution_ids': ['https://openalex.org/I4210155677']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5051866746', 'display_name': 'Gina M. Morss', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I4210155677', 'display_name': 'Cooper Institute', 'ror': 'https://ror.org/04d6b6d46', 'country_code': 'US', 'type': 'nonprofit', 'lineage': ['https://openalex.org/I4210155677']}], 'countries': ['US'], 'is_corresponding': False, 'raw_author_name': 'Gina M Morss', 'raw_affiliation_strings': ['The Cooper Institute, Dallas, Tex, USA'], 'affiliations': [{'raw_affiliation_string': 'The Cooper Institute, Dallas, Tex, USA', 'institution_ids': ['https://openalex.org/I4210155677']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5113620847', 'display_name': 'Alexander N. Jordan', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I4210155677', 'display_name': 'Cooper Institute', 'ror': 'https://ror.org/04d6b6d46', 'country_code': 'US', 'type': 'nonprofit', 'lineage': ['https://openalex.org/I4210155677']}], 'countries': ['US'], 'is_corresponding': False, 'raw_author_name': 'Alexander N Jordan', 'raw_affiliation_strings': ['The Cooper Institute, Dallas, Tex, USA'], 'affiliations': [{'raw_affiliation_string': 'The Cooper Institute, Dallas, Tex, USA', 'institution_ids': ['https://openalex.org/I4210155677']}]}, {'author_position': 'last', 'author': {'id': 'https://openalex.org/A5065958387', 'display_name': 'Conrad P. Earnest', 'orcid': 'https://orcid.org/0000-0002-6546-1268'}, 'institutions': [{'id': 'https://openalex.org/I4210155677', 'display_name': 'Cooper Institute', 'ror': 'https://ror.org/04d6b6d46', 'country_code': 'US', 'type': 'nonprofit', 'lineage': ['https://openalex.org/I4210155677']}], 'countries': ['US'], 'is_corresponding': False, 'raw_author_name': 'Conrad P Earnest', 'raw_affiliation_strings': ['The Cooper Institute, Dallas, Tex, USA'], 'affiliations': [{'raw_affiliation_string': 'The Cooper Institute, Dallas, Tex, USA', 'institution_ids': ['https://openalex.org/I4210155677']}]}], 'institution_assertions': [], 'countries_distinct_count': 1, 'institutions_distinct_count': 1, 'corresponding_author_ids': [], 'corresponding_institution_ids': [], 'apc_list': {'value': 3800, 'currency': 'USD', 'value_usd': 3800, 'provenance': 'doaj'}, 'apc_paid': None, 'fwci': 4.497, 'has_fulltext': True, 'fulltext_origin': 'ngrams', 'cited_by_count': 163, 'citation_normalized_percentile': {'value': 0.99993, 'is_in_top_1_percent': True, 'is_in_top_10_percent': True}, 'cited_by_percentile_year': {'min': 97, 'max': 98}, 'biblio': {'volume': '147', 'issue': '5', 'first_page': 'e8', 'last_page': 'e15'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T10745', 'display_name': 'Heart Rate Variability and Autonomic Control', 'score': 0.9998, '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/T10745', 'display_name': 'Heart Rate Variability and Autonomic Control', 'score': 0.9998, '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/T11209', 'display_name': 'Cardiovascular and exercise physiology', 'score': 0.9961, 'subfield': {'id': 'https://openalex.org/subfields/2707', 'display_name': 'Complementary and alternative 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/T13381', 'display_name': 'Heart rate and cardiovascular health', 'score': 0.9442, '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/intensity', 'display_name': 'Intensity', 'score': 0.6054182}], 'concepts': [{'id': 'https://openalex.org/C71924100', 'wikidata': 'https://www.wikidata.org/wiki/Q11190', 'display_name': 'Medicine', 'level': 0, 'score': 0.9707031}, {'id': 'https://openalex.org/C3018603563', 'wikidata': 'https://www.wikidata.org/wiki/Q177708', 'display_name': 'Postmenopausal women', 'level': 2, 'score': 0.6637902}, {'id': 'https://openalex.org/C93038891', 'wikidata': 'https://www.wikidata.org/wiki/Q1061524', 'display_name': 'Intensity (physics)', 'level': 2, 'score': 0.6054182}, {'id': 'https://openalex.org/C2777953023', 'wikidata': 'https://www.wikidata.org/wiki/Q1073121', 'display_name': 'Heart rate', 'level': 3, 'score': 0.58143795}, {'id': 'https://openalex.org/C1862650', 'wikidata': 'https://www.wikidata.org/wiki/Q186005', 'display_name': 'Physical therapy', 'level': 1, 'score': 0.5282209}, {'id': 'https://openalex.org/C164705383', 'wikidata': 'https://www.wikidata.org/wiki/Q10379', 'display_name': 'Cardiology', 'level': 1, 'score': 0.40557382}, {'id': 'https://openalex.org/C126322002', 'wikidata': 'https://www.wikidata.org/wiki/Q11180', 'display_name': 'Internal medicine', 'level': 1, 'score': 0.37972963}, {'id': 'https://openalex.org/C84393581', 'wikidata': 'https://www.wikidata.org/wiki/Q82642', 'display_name': 'Blood pressure', 'level': 2, 'score': 0.12755069}, {'id': 'https://openalex.org/C121332964', 'wikidata': 'https://www.wikidata.org/wiki/Q413', 'display_name': 'Physics', 'level': 0, 'score': 0.0}, {'id': 'https://openalex.org/C62520636', 'wikidata': 'https://www.wikidata.org/wiki/Q944', 'display_name': 'Quantum mechanics', 'level': 1, 'score': 0.0}], 'mesh': [{'descriptor_ui': 'D015914', 'descriptor_name': 'Estrogen Replacement Therapy', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': True}, {'descriptor_ui': 'D015444', 'descriptor_name': 'Exercise', 'qualifier_ui': 'Q000502', 'qualifier_name': 'physiology', 'is_major_topic': True}, {'descriptor_ui': 'D006339', 'descriptor_name': 'Heart Rate', 'qualifier_ui': 'Q000502', 'qualifier_name': 'physiology', 'is_major_topic': True}, {'descriptor_ui': 'D017698', 'descriptor_name': 'Postmenopause', 'qualifier_ui': 'Q000502', 'qualifier_name': 'physiology', 'is_major_topic': True}, {'descriptor_ui': 'D000704', 'descriptor_name': 'Analysis of Variance', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D001795', 'descriptor_name': 'Blood Pressure Determination', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D015444', 'descriptor_name': 'Exercise', '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': 'D006339', 'descriptor_name': 'Heart Rate', 'qualifier_ui': 'Q000187', 'qualifier_name': 'drug effects', 'is_major_topic': False}, {'descriptor_ui': 'D006339', 'descriptor_name': 'Heart Rate', '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': 'D008875', 'descriptor_name': 'Middle Aged', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D010101', 'descriptor_name': 'Oxygen Consumption', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D017698', 'descriptor_name': 'Postmenopause', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}], 'locations_count': 2, 'locations': [{'is_oa': False, 'landing_page_url': 'https://doi.org/10.1016/j.ahj.2003.10.024', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S46995015', 'display_name': 'American Heart Journal', 'issn_l': '0002-8703', 'issn': ['0002-8703', '1097-6744'], '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': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}, {'is_oa': False, 'landing_page_url': 'https://pubmed.ncbi.nlm.nih.gov/15131556', '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': 0.79, 'display_name': 'Good health and well-being'}], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 49, 'referenced_works': ['https://openalex.org/W1812673967', 'https://openalex.org/W1965166579', 'https://openalex.org/W1966745931', 'https://openalex.org/W1975296845', 'https://openalex.org/W1977292738', 'https://openalex.org/W1981214981', 'https://openalex.org/W1983517510', 'https://openalex.org/W1985977264', 'https://openalex.org/W1989487980', 'https://openalex.org/W1989514365', 'https://openalex.org/W1989688260', 'https://openalex.org/W1989898400', 'https://openalex.org/W1993318146', 'https://openalex.org/W1997609412', 'https://openalex.org/W1998642320', 'https://openalex.org/W2002797825', 'https://openalex.org/W2010951091', 'https://openalex.org/W2015163680', 'https://openalex.org/W2023618440', 'https://openalex.org/W2027677926', 'https://openalex.org/W2034758365', 'https://openalex.org/W2034989830', 'https://openalex.org/W2044335968', 'https://openalex.org/W2047748360', 'https://openalex.org/W2047925820', 'https://openalex.org/W2072432360', 'https://openalex.org/W2076532432', 'https://openalex.org/W2077017015', 'https://openalex.org/W2078218199', 'https://openalex.org/W2082953463', 'https://openalex.org/W2085631712', 'https://openalex.org/W2094668284', 'https://openalex.org/W2115958342', 'https://openalex.org/W2119236095', 'https://openalex.org/W2125041364', 'https://openalex.org/W2127164769', 'https://openalex.org/W2133589238', 'https://openalex.org/W2137693602', 'https://openalex.org/W2152502546', 'https://openalex.org/W2153992977', 'https://openalex.org/W2158361166', 'https://openalex.org/W2161815703', 'https://openalex.org/W2169949264', 'https://openalex.org/W2285072859', 'https://openalex.org/W2329993286', 'https://openalex.org/W2975364463', 'https://openalex.org/W3146825938', 'https://openalex.org/W3211239976', 'https://openalex.org/W4238425226'], 'related_works': ['https://openalex.org/W4387497383', 'https://openalex.org/W3183948672', 'https://openalex.org/W3173606202', 'https://openalex.org/W3110381201', 'https://openalex.org/W2948807893', 'https://openalex.org/W2935909890', 'https://openalex.org/W2778153218', 'https://openalex.org/W2758277628', 'https://openalex.org/W2031481447', 'https://openalex.org/W1531601525'], 'abstract_inverted_index': None, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W2017185135', 'counts_by_year': [{'year': 2024, 'cited_by_count': 6}, {'year': 2023, 'cited_by_count': 5}, {'year': 2022, 'cited_by_count': 5}, {'year': 2021, 'cited_by_count': 6}, {'year': 2020, 'cited_by_count': 6}, {'year': 2019, 'cited_by_count': 8}, {'year': 2018, 'cited_by_count': 8}, {'year': 2017, 'cited_by_count': 12}, {'year': 2016, 'cited_by_count': 6}, {'year': 2015, 'cited_by_count': 5}, {'year': 2014, 'cited_by_count': 9}, {'year': 2013, 'cited_by_count': 11}, {'year': 2012, 'cited_by_count': 13}], 'updated_date': '2025-01-12T20:24:48.721546', 'created_date': '2016-06-24'}