A randomized intervention of smoking for adolescents in urban Wuhan, China.
Chou CP, Li Y, Unger JB, Xia J, Sun P, Guo Q, Shakib S, Gong J, Xie B, Liu C, Azen S, Shan J, Ma H, Palmer P, Gallaher P, Johnson CA.
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PMID: 16487998
Clinical Trial.