title: Vioxx-Viagra confusion.
authors.forename: Amanda G
authors.initials: AG
authors.lastname: Kennedy
authors.forename: Benjamin
authors.initials: B
authors.lastname: Littenberg
authors.forename: Lynne C
authors.initials: LC
authors.lastname: Vezina
mesh_terms: D000368:Aged; D006801:Humans; D007783:Lactones; D008297:Male; D008508:Medication Errors / Q000517:prevention & control*; D010879:Piperazines; D011687:Purines; D000068677:Sildenafil Citrate; D013450:Sulfones
chemical_list: D007783:Lactones; D010879:Piperazines; D011687:Purines; D013450:Sulfones; C116926:rofecoxib; D000068677:Sildenafil Citrate