{"id":"https://openalex.org/W2094264643","doi":"https://doi.org/10.1016/0735-1097(95)90035-7","title":"Heparin and aspirin in unstable angina: Insufficient sample size may lead to erroneous conclusions","display_name":"Heparin and aspirin in unstable angina: Insufficient sample size may lead to erroneous conclusions","publication_year":1995,"publication_date":"1995-02-01","ids":{"openalex":"https://openalex.org/W2094264643","doi":"https://doi.org/10.1016/0735-1097(95)90035-7","mag":"2094264643","pmid":"https://pubmed.ncbi.nlm.nih.gov/7829814"},"language":"en","primary_location":{"id":"doi:10.1016/0735-1097(95)90035-7","doi":"https://doi.org/10.1016/0735-1097(95)90035-7","is_oa":true,"landing_page_url":"https://doi.org/10.1016/0735-1097(95)90035-7","pdf_url":null,"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,"listed_in":["anvur-scientific","cwts-core","dongbi-a","doyens","jufo-3","ki-jl-3","medline","norway-2","poland-200","russia-white-list-1","vabb-shw"],"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":"Journal of the American College of Cardiology","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref","pubmed"],"open_access":{"is_oa":true,"oa_status":"bronze","oa_url":"https://doi.org/10.1016/0735-1097(95)90035-7","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":null,"display_name":"Imre Bod\u00f3","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I2802101240","display_name":"Carolinas Medical Center","ror":"https://ror.org/0483mr804","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I1334069289","https://openalex.org/I2802101240"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Imre Bod\u00f3","raw_affiliation_strings":["Department of Internal Medicine Carolinas Medical Center P.O. Box 3286 Charlotte, North Carolina 28232, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Internal Medicine Carolinas Medical Center P.O. Box 3286 Charlotte, North Carolina 28232, USA","institution_ids":["https://openalex.org/I2802101240"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5035429588","display_name":"Csilla Emese N\u00e9meth","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I2802101240","display_name":"Carolinas Medical Center","ror":"https://ror.org/0483mr804","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I1334069289","https://openalex.org/I2802101240"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Csilla N\u00e9meth","raw_affiliation_strings":["Department of Internal Medicine Carolinas Medical Center P.O. Box 3286 Charlotte, North Carolina 28232, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Internal Medicine Carolinas Medical Center P.O. Box 3286 Charlotte, North Carolina 28232, USA","institution_ids":["https://openalex.org/I2802101240"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5069266202","display_name":"L\u00e1szl\u00f3 Littmann","orcid":"https://orcid.org/0000-0003-1273-9198","observed_orcids":["https://orcid.org/0000-0003-1273-9198"]},"institutions":[{"id":"https://openalex.org/I2802101240","display_name":"Carolinas Medical Center","ror":"https://ror.org/0483mr804","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I1334069289","https://openalex.org/I2802101240"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Laszlo Littmann","raw_affiliation_strings":["Department of Internal Medicine Carolinas Medical Center P.O. Box 3286 Charlotte, North Carolina 28232, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Internal Medicine Carolinas Medical Center P.O. Box 3286 Charlotte, North Carolina 28232, USA","institution_ids":["https://openalex.org/I2802101240"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I2802101240"],"apc_list":{"value":7166,"currency":"USD","value_usd":7166},"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":3,"citation_normalized_percentile":{"value":0.27772473,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":93,"max":95},"biblio":{"volume":"25","issue":"2","first_page":"553","last_page":"554"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11064","display_name":"Antiplatelet Therapy and Cardiovascular Diseases","score":0.95169997215271,"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/T11064","display_name":"Antiplatelet Therapy and Cardiovascular Diseases","score":0.95169997215271,"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/T10292","display_name":"Acute Myocardial Infarction Research","score":0.030799999833106995,"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/T10193","display_name":"Coronary Interventions and Diagnostics","score":0.0066999997943639755,"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/heparin","display_name":"heparin","score":0.9800000190734863},{"id":"https://openalex.org/keywords/aspirin","display_name":"aspirin","score":0.9990000128746033},{"id":"https://openalex.org/keywords/unstable-angina","display_name":"unstable angina","score":0.9990000128746033},{"id":"https://openalex.org/keywords/sample-size","display_name":"sample size","score":0.8169999718666077},{"id":"https://openalex.org/keywords/statistical-power","display_name":"statistical power","score":0.8009999990463257},{"id":"https://openalex.org/keywords/comparative-efficacy","display_name":"drug efficacy comparison","score":0.37299999594688416},{"id":"https://openalex.org/keywords/clinical-trial-design","display_name":"clinical trial design","score":0.4259999990463257}],"concepts":[{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.9724432229995728},{"id":"https://openalex.org/C2777628954","wikidata":"https://www.wikidata.org/wiki/Q18216","display_name":"Aspirin","level":2,"score":0.8656423091888428},{"id":"https://openalex.org/C2777557582","wikidata":"https://www.wikidata.org/wiki/Q190016","display_name":"Heparin","level":2,"score":0.6469513177871704},{"id":"https://openalex.org/C2778425758","wikidata":"https://www.wikidata.org/wiki/Q180762","display_name":"Angina","level":3,"score":0.5742000937461853},{"id":"https://openalex.org/C2777785093","wikidata":"https://www.wikidata.org/wiki/Q2032041","display_name":"Unstable angina","level":3,"score":0.5205593705177307},{"id":"https://openalex.org/C164705383","wikidata":"https://www.wikidata.org/wiki/Q10379","display_name":"Cardiology","level":1,"score":0.5075403451919556},{"id":"https://openalex.org/C2777093003","wikidata":"https://www.wikidata.org/wiki/Q6508345","display_name":"Lead (geology)","level":2,"score":0.47090935707092285},{"id":"https://openalex.org/C126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","level":1,"score":0.4657602608203888},{"id":"https://openalex.org/C198531522","wikidata":"https://www.wikidata.org/wiki/Q485146","display_name":"Sample (material)","level":2,"score":0.4155750274658203},{"id":"https://openalex.org/C3018906752","wikidata":"https://www.wikidata.org/wiki/Q844935","display_name":"Coronary heart disease","level":2,"score":0.24241036176681519},{"id":"https://openalex.org/C500558357","wikidata":"https://www.wikidata.org/wiki/Q12152","display_name":"Myocardial infarction","level":2,"score":0.12178349494934082},{"id":"https://openalex.org/C43617362","wikidata":"https://www.wikidata.org/wiki/Q170050","display_name":"Chromatography","level":1,"score":0.03741481900215149},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.0},{"id":"https://openalex.org/C114793014","wikidata":"https://www.wikidata.org/wiki/Q52109","display_name":"Geomorphology","level":1,"score":0.0},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.0}],"mesh":[{"descriptor_ui":"D000789","descriptor_name":"Angina, Unstable","qualifier_ui":"Q000188","qualifier_name":"drug therapy","is_major_topic":true},{"descriptor_ui":"D001241","descriptor_name":"Aspirin","qualifier_ui":"Q000008","qualifier_name":"administration & dosage","is_major_topic":true},{"descriptor_ui":"D001241","descriptor_name":"Aspirin","qualifier_ui":"Q000627","qualifier_name":"therapeutic use","is_major_topic":false},{"descriptor_ui":"D004359","descriptor_name":"Drug Therapy, Combination","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006493","descriptor_name":"Heparin","qualifier_ui":"Q000008","qualifier_name":"administration & dosage","is_major_topic":true},{"descriptor_ui":"D006493","descriptor_name":"Heparin","qualifier_ui":"Q000627","qualifier_name":"therapeutic use","is_major_topic":false},{"descriptor_ui":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D017202","descriptor_name":"Myocardial Ischemia","qualifier_ui":"Q000188","qualifier_name":"drug therapy","is_major_topic":false},{"descriptor_ui":"D018401","descriptor_name":"Sample Size","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false}],"locations_count":2,"locations":[{"id":"doi:10.1016/0735-1097(95)90035-7","doi":"https://doi.org/10.1016/0735-1097(95)90035-7","is_oa":true,"landing_page_url":"https://doi.org/10.1016/0735-1097(95)90035-7","pdf_url":null,"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,"listed_in":["anvur-scientific","cwts-core","dongbi-a","doyens","jufo-3","ki-jl-3","medline","norway-2","poland-200","russia-white-list-1","vabb-shw"],"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":"Journal of the American College of Cardiology","raw_type":"journal-article"},{"id":"pmid:7829814","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/7829814","pdf_url":null,"source":{"id":"https://openalex.org/S4306525036","display_name":"PubMed","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of the American College of Cardiology","raw_type":"Clinical Trial"}],"best_oa_location":{"id":"doi:10.1016/0735-1097(95)90035-7","doi":"https://doi.org/10.1016/0735-1097(95)90035-7","is_oa":true,"landing_page_url":"https://doi.org/10.1016/0735-1097(95)90035-7","pdf_url":null,"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,"listed_in":["anvur-scientific","cwts-core","dongbi-a","doyens","jufo-3","ki-jl-3","medline","norway-2","poland-200","russia-white-list-1","vabb-shw"],"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":"Journal of the American College of Cardiology","raw_type":"journal-article"},"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/3","display_name":"Good health and well-being","score":0.98580002784729}],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":2,"referenced_works":["https://openalex.org/W1963531169","https://openalex.org/W1982781765"],"related_works":["https://openalex.org/W1989484744","https://openalex.org/W4248522985","https://openalex.org/W4231016647","https://openalex.org/W2394521723","https://openalex.org/W3140884115","https://openalex.org/W2034753125","https://openalex.org/W2411292841","https://openalex.org/W1974549056","https://openalex.org/W4246862669","https://openalex.org/W4253045728"],"abstract_inverted_index":null,"counts_by_year":[{"year":2014,"cited_by_count":2}],"updated_date":"2026-10-31T12:09:11.096373","created_date":"2016-06-24T00:00:00"}
