Use of the fagerstrom tolerance questionnaire for measuring nicotine dependence among adolescent smokers in China: a pilot test.
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C. A. Johnson | S. Azen | J. Unger | C. Dent | A. Stacy | J. Gong | Xinguang Chen | Hong Zheng | Jianguo Shan | P. Gallaher | J. Xia | S. Steve