Wang, M., Zhong, J., Fang, L., & Wang, H. (2016). Prevalence and associated factors of smoking in middle and high school students: A school-based cross-sectional study in Zhejiang Province, China. BMJ Open.
Dyfyniad Arddull ChicagoWang, Meng, Jie-Ming Zhong, Le Fang, and Hao Wang. "Prevalence and Associated Factors of Smoking in Middle and High School Students: A School-based Cross-sectional Study in Zhejiang Province, China." BMJ Open 2016.
Dyfyniad MLAWang, Meng, Jie-Ming Zhong, Le Fang, and Hao Wang. "Prevalence and Associated Factors of Smoking in Middle and High School Students: A School-based Cross-sectional Study in Zhejiang Province, China." BMJ Open 2016.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.