title: Diagnostic advances in impotence.
mesh_terms: D002940:Circadian Rhythm; D003937:Diagnosis, Differential; D007172:Erectile Dysfunction / Q000145:classification / Q000175:diagnosis* / Q000209:etiology / Q000523:psychology; D006801:Humans; D008297:Male; D008487:Medical History Taking; D010413:Penis / Q000503:physiopathology; D012895:Sleep, REM