title: (Un)deserving male impotence.
authors.forename: G
authors.initials: G
authors.lastname: Hackett
mesh_terms: D007172:Erectile Dysfunction / Q000188:drug therapy* / Q000209:etiology; D015276:Health Care Rationing; D006801:Humans; D008297:Male; D018579:Patient Selection; D010726:Phosphodiesterase Inhibitors / Q000008:administration & dosage*; D010879:Piperazines / Q000008:administration & dosage*; D017410:Practice Guidelines as Topic
chemical_list: D010726:Phosphodiesterase Inhibitors; D010879:Piperazines