title: [Finding the basis for his frustration].
authors.forename: Martin
authors.initials: M
authors.lastname: Bischoff
mesh_terms: D003937:Diagnosis, Differential; D007172:Erectile Dysfunction / Q000209:etiology*; D006801:Humans; D018783:Impotence, Vasculogenic / Q000209:etiology*; D008297:Male; D012307:Risk Factors