Depression and medical illness in chinese nonagenarians and centenarians.
Chang-Quan
Huang
H
Bi-Rong
Dong
D
Hong-Mei
Wu
W
Yan-Ling
Zhang
Z
Jin-Hui
Wu
W
D000369:Aged, 80 and over; D002681:China; D003430:Cross-Sectional Studies; D003863:Depression / Q000150:complications / Q000453:epidemiology*; D005260:Female; D005853:Geriatrics; D006801:Humans; D008297:Male; D017678:Sex Distribution