Sexual function in the elderly.
D000368:Aged; D000375:Aging; D001290:Attitude; D004194:Disease; D005260:Female; D005836:Genitalia, Female / Q000033:anatomy & histology; D005837:Genitalia, Male / Q000033:anatomy & histology; D006176:Gynecology; D006801:Humans; D008297:Male; D008393:Marriage; D001523:Mental Disorders / Q000150:complications; D008875:Middle Aged; D012723:Sex; D012725:Sexual Behavior; D012735:Sexual Dysfunction, Physiological / Q000628:therapy; D012919:Social Behavior