title: Impotence: should primary care physicians give penile injections?
authors: C
authors: C
authors: Andrews
mesh_terms: D004305:Dose-Response Relationship, Drug; D006801:Humans; D018783:Impotence, Vasculogenic / Q000188:drug therapy*; D007267:Injections; D008297:Male; D008875:Middle Aged; D010410:Penile Erection / Q000187:drug effects