{"id":"https://openalex.org/W2083950737","doi":"https://doi.org/10.1016/s0002-8703(33)90210-0","title":"Observations on arterial blood pressure during attacks of angina pectoris","display_name":"Observations on arterial blood pressure during attacks of angina pectoris","publication_year":1933,"publication_date":"1933-02-01","ids":{"openalex":"https://openalex.org/W2083950737","doi":"https://doi.org/10.1016/s0002-8703(33)90210-0","mag":"2083950737"},"language":"en","primary_location":{"id":"doi:10.1016/s0002-8703(33)90210-0","doi":"https://doi.org/10.1016/s0002-8703(33)90210-0","is_oa":false,"landing_page_url":"https://doi.org/10.1016/s0002-8703(33)90210-0","pdf_url":null,"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,"listed_in":["cwts-core","doyens","jufo-2","ki-jl-1","medline","norway-1"],"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":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"American Heart Journal","raw_type":"journal-article"},"volume":null,"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5056704930","display_name":"Samuel A. Levine","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Samuel A. Levine","raw_affiliation_strings":["Boston, Mass., USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Boston, Mass., USA","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5090387169","display_name":"A. Carlton Ernstene","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"A.Carlton Ernstene","raw_affiliation_strings":["Boston, Mass., USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Boston, Mass., USA","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":4070,"currency":"USD","value_usd":4070},"apc_paid":null,"fwci":2.7788,"has_fulltext":false,"cited_by_count":25,"citation_normalized_percentile":{"value":0.87991266,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"8","issue":"3","first_page":"323","last_page":"326"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T13381","display_name":"Heart rate and cardiovascular health","score":0.9214000105857849,"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/T13381","display_name":"Heart rate and cardiovascular health","score":0.9214000105857849,"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/T10144","display_name":"Blood Pressure and Hypertension Studies","score":0.03880000114440918,"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/T10155","display_name":"Nitric Oxide and Endothelin Effects","score":0.007600000128149986,"subfield":{"id":"https://openalex.org/subfields/2737","display_name":"Physiology"},"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/angina","display_name":"angina pectoris","score":0.9990000128746033},{"id":"https://openalex.org/keywords/arterial-blood-pressure","display_name":"arterial blood pressure","score":0.9559999704360962},{"id":"https://openalex.org/keywords/systolic-blood-pressure","display_name":"systolic blood pressure","score":0.8230000138282776},{"id":"https://openalex.org/keywords/anginal-attacks","display_name":"anginal attacks","score":0.6299999952316284},{"id":"https://openalex.org/keywords/nitroglycerin","display_name":"nitroglycerin","score":0.9100000262260437},{"id":"https://openalex.org/keywords/renal-colic","display_name":"renal colic","score":0.7049999833106995}],"concepts":[{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.9587544798851013},{"id":"https://openalex.org/C84393581","wikidata":"https://www.wikidata.org/wiki/Q82642","display_name":"Blood pressure","level":2,"score":0.8720951676368713},{"id":"https://openalex.org/C2778425758","wikidata":"https://www.wikidata.org/wiki/Q180762","display_name":"Angina","level":3,"score":0.8416121602058411},{"id":"https://openalex.org/C164705383","wikidata":"https://www.wikidata.org/wiki/Q10379","display_name":"Cardiology","level":1,"score":0.6113588809967041},{"id":"https://openalex.org/C126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","level":1,"score":0.5082049369812012},{"id":"https://openalex.org/C42219234","wikidata":"https://www.wikidata.org/wiki/Q131130","display_name":"Anesthesia","level":1,"score":0.39871665835380554},{"id":"https://openalex.org/C500558357","wikidata":"https://www.wikidata.org/wiki/Q12152","display_name":"Myocardial infarction","level":2,"score":0.07182052731513977}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1016/s0002-8703(33)90210-0","doi":"https://doi.org/10.1016/s0002-8703(33)90210-0","is_oa":false,"landing_page_url":"https://doi.org/10.1016/s0002-8703(33)90210-0","pdf_url":null,"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,"listed_in":["cwts-core","doyens","jufo-2","ki-jl-1","medline","norway-1"],"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":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"American Heart Journal","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Good health and well-being","score":1.0,"id":"https://metadata.un.org/sdg/3"}],"sustainable_development_goals_aurora":[{"display_name":"Good health and well-being","score":0.6399999856948853,"id":"https://metadata.un.org/sdg/3"}],"study_designs":[{"display_name":"Observational Study","id":"https://openalex.org/study-designs/observational-study"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":11,"referenced_works":["https://openalex.org/W811873211","https://openalex.org/W1978403816","https://openalex.org/W1994872165","https://openalex.org/W2007309658","https://openalex.org/W2019275550","https://openalex.org/W2023357603","https://openalex.org/W2048222546","https://openalex.org/W2058034034","https://openalex.org/W2077441087","https://openalex.org/W4231829259","https://openalex.org/W4238018327"],"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/W1531601525","https://openalex.org/W1966504330"],"abstract_inverted_index":null,"counts_by_year":[],"updated_date":"2026-09-29T14:09:16.559479","created_date":"2025-10-10T00:00:00"}