Adolescent smoking in Wuhan, China: baseline data from the Wuhan Smoking Prevention Trial.
Unger JB, Yan L, Chen X, Jiang X, Azen S, Qian G, Tan S, Jie G, Sun P, ChunHong L, Chou CP, Zheng H, Anderson Johnson C.
Unger JB, et al.
Am J Prev Med. 2001 Oct;21(3):162-9. doi: 10.1016/s0749-3797(01)00346-4.
Am J Prev Med. 2001.
PMID: 11567835