Veterans/*psychology
Tsai, Chia-Fen, Ouyang, Wen-Chen, Chen, Liang-Kung, Lan, Chung-Fu, Hwang, Shinn-Jang, Yang, Cheng-Hung, Su, Tung-Ping 2009. Depression is the strongest independent risk factor for poor social engagement among Chinese elderly veteran assisted-living residents. Journal of the Chinese Medical Association. 72 (9) 478-483.