Masculinity-femininity in the aged.
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D000375:Aging; D005260:Female; D006801:Humans; D007406:Interview, Psychological; D008297:Male; D008875:Middle Aged; D010551:Personality; D010555:Personality Inventory; D011998:Recreation; D012723:Sex; D012737:Sex Factors; D012725:Sexual Behavior; D012959:Socioeconomic Factors