title: Sexual medicine: Online risks to health--the problem of counterfeit drugs.
authors: Bryan A
authors: BA
authors: Liang
authors: Tim K
authors: TK
authors: Mackey
mesh_terms: D058110:Counterfeit Drugs / Q000627:therapeutic use*; D007172:Erectile Dysfunction / Q000188:drug therapy; D006801:Humans; D020407:Internet; D008297:Male; D058986:Phosphodiesterase 5 Inhibitors / Q000627:therapeutic use; D012307:Risk Factors
chemical_list: D058110:Counterfeit Drugs; D058986:Phosphodiesterase 5 Inhibitors