title: Finding haystacks full of needles: from Opus to Osler.
authors.forename: Robert L
authors.initials: RL
authors.lastname: Levine
mesh_terms: D000925:Anticoagulants / Q000009:adverse effects*; D006493:Heparin / Q000009:adverse effects*; D006801:Humans; D012871:Skin Diseases / Q000139:chemically induced*; D013921:Thrombocytopenia / Q000139:chemically induced*
chemical_list: D000925:Anticoagulants; D006493:Heparin