[Sleep disorders among the aged and their treatment].
Okawa
M
M
D000328:Adult; D000368:Aged; D000375:Aging / Q000502:physiology; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D012890:Sleep / Q000502:physiology; D012893:Sleep Wake Disorders / Q000209:etiology* / Q000628:therapy