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Feng G, Jiang Y, Li Q, Yong HH, Elton-Marshall T, Yang J, Li L, Sansone N, Fong GT.Feng G, et al.Tob Control. 2010 Oct;19 Suppl 2(Suppl_2):i6-11. doi: 10.1136/tc.2010.037093.Tob Control. 2010.PMID: 20935198Free PMC article.
Liu RL, Yang Y, Travers MJ, Fong GT, O'Connor RJ, Hyland A, Li L, Nan Y, Feng GZ, Li Q, Jiang Y.Liu RL, et al. Among authors: feng gz.Tob Control. 2011 Nov;20(6):397-402. doi: 10.1136/tc.2009.033233. Epub 2009 Sep 11.Tob Control. 2011.PMID: 19748882
Liu RL, Yang Y, Travers MJ, Fong GT, O'Connor RJ, Hyland A, Li L, Nan Y, Feng GZ, Li Q, Jiang Y.Liu RL, et al. Among authors: feng gz.Tob Control. 2010 Oct;19 Suppl 2(Suppl_2):i24-9. doi: 10.1136/tc.2009.029959. Epub 2009 Dec 11.Tob Control. 2010.PMID: 20008154Free PMC article.
Li Z, Elton-Marshall T, Fong GT, Quah ACK, Feng G, Jiang Y, Hitchman SC.Li Z, et al. Among authors: feng g.BMC Public Health. 2017 May 19;17(1):476. doi: 10.1186/s12889-017-4397-2.BMC Public Health. 2017.PMID: 28525994Free PMC article.