Passive smoking exposure and perceived health status in children seeking pediatric care services at a vietnamese tertiary hospital

Chau Quy Ngo, Giap Van Vu, Phuong Thu Phan, Hanh Thi Chu, Lan Phuong Thi Doan, Anh Tu Duong, Quan Hoang Vuong, Manh Tung Ho, Minh Hoang Nguyen, Hong Kong T. Nguyen, Hai Thanh Phan, Giang Hai Ha, Giang Thu Vu, Kiet Tuan Huy Pham, Tung Hoang Tran, Bach Xuan Tran, Carl A. Latkin, Cyrus S.H. Ho, Roger C.M. Ho