title: Male erectile disorders.
mesh_terms: D007172:Erectile Dysfunction / Q000503:physiopathology*; D012739:Gonadal Steroid Hormones / Q000502:physiology; D006801:Humans; D008297:Male; D010413:Penis / Q000098:blood supply / Q000502:physiology; D012039:Regional Blood Flow
chemical_list: D012739:Gonadal Steroid Hormones