title: [Aging and erectile dysfunction].
authors.affiliation: Department of Urology, School of Medicine, Keio University.
authors.forename: Ken
authors.initials: K
authors.lastname: Marumo
authors.forename: Masaru
authors.initials: M
authors.lastname: Murai
mesh_terms: D000368:Aged; D000369:Aged, 80 and over; D000375:Aging / Q000473:pathology / Q000502:physiology*; D000728:Androgens / Q000097:blood; D007172:Erectile Dysfunction / Q000453:epidemiology* / Q000209:etiology; D006801:Humans; D008297:Male; D010413:Penis / Q000473:pathology
chemical_list: D000728:Androgens