Comorbidities and health-related quality of life among rural older community-dwellers in Vietnam - Hai Minh Vu; Hao Thi Tang; Vu Minh Hai (B); Cuong Duy Nguyen; My Ha Nguyen; Hanh Thi Kieu Le; Dat Cong Truong; Hien Xuan Luong (PLoS ONE, 2025)