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Trepka MJ, Zhang G, Leguen F, Obiaja K, Malow RM, De La Rosa M.Trepka MJ, et al. Among authors: zhang g.J Public Health Manag Pract. 2007 May-Jun;13(3):263-9. doi: 10.1097/01.PHH.0000267684.23529.2c.J Public Health Manag Pract. 2007.PMID: 17435493
Moore E, Rodriguez X, Fernandez D, Griffin I, Fermin ME, Cap N, Zhang G.Moore E, et al. Among authors: zhang g.Matern Child Health J. 2019 Aug;23(8):1140-1145. doi: 10.1007/s10995-019-02756-x.Matern Child Health J. 2019.PMID: 31209616