Correlates of depressive symptoms in rural elderly Chinese.
Gao S, Jin Y, Unverzagt FW, Liang C, Hall KS, Ma F, Murrell JR, Cheng Y, Matesan J, Li P, Bian J, Hendrie HC.
Gao S, et al.
Int J Geriatr Psychiatry. 2009 Dec;24(12):1358-66. doi: 10.1002/gps.2271.
Int J Geriatr Psychiatry. 2009.
PMID: 19347839
Free PMC article.