Frequency of intercourse in men.
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D003075:Coitus; D007172:Erectile Dysfunction / Q000209:etiology; D005191:Family Characteristics; D006801:Humans; D008297:Male; D008875:Middle Aged; D011470:Prostatic Hyperplasia / Q000150:complications; D011602:Psychophysiologic Disorders; D013997:Time Factors; D014570:Urologic Diseases / Q000150:complications