title: Cause or coincidence?
authors.affiliation: HCA Center for Health Excellence, Houston, Tex. 77054.
authors.forename: H L
authors.initials: HL
authors.lastname: Fred
mesh_terms: D000328:Adult; D000755:Anemia, Sickle Cell / Q000188:drug therapy; D015984:Causality; D002648:Child; D003657:Decision Making; D003937:Diagnosis, Differential; D006801:Humans; D008297:Male; D011654:Pulmonary Edema / Q000000981:diagnostic imaging; D011859:Radiography