title: Randomized trial of aspirin versus aspirin and heparin in pregnant women with the antiphospholipid syndrome.
authors.forename: H
authors.initials: H
authors.lastname: Cohen
mesh_terms: D000328:Adult; D016736:Antiphospholipid Syndrome / Q000188:drug therapy* / Q000276:immunology; D001241:Aspirin / Q000008:administration & dosage*; D004305:Dose-Response Relationship, Drug; D004359:Drug Therapy, Combination; D005260:Female; D006493:Heparin / Q000008:administration & dosage*; D006801:Humans; D011247:Pregnancy; D011248:Pregnancy Complications / Q000188:drug therapy* / Q000276:immunology
chemical_list: D006493:Heparin; D001241:Aspirin