title: Yohimbine and psychogenic impotence.
mesh_terms: D002986:Clinical Trials as Topic; D004311:Double-Blind Method; D007172:Erectile Dysfunction / Q000188:drug therapy* / Q000523:psychology; D006801:Humans; D008297:Male; D012107:Research Design; D015016:Yohimbine / Q000627:therapeutic use*
chemical_list: D015016:Yohimbine