Fang, H., Johnson, C., Chevalier, N., Stopp, C., Wiebe, S., Wakschlag, L. S., & Espy, K. A. (2010). Using Propensity Score Modeling to Minimize the Influence of Confounding Risks Related to Prenatal Tobacco Exposure. Oxford University Press.

Fang, Hua, Craig Johnson, Nicolas Chevalier, Christian Stopp, Sandra Wiebe, Lauren S. Wakschlag, et Kimberly Andrews Espy. Using Propensity Score Modeling to Minimize the Influence of Confounding Risks Related to Prenatal Tobacco Exposure. Oxford University Press, 2010.

Fang, Hua, et al. Using Propensity Score Modeling to Minimize the Influence of Confounding Risks Related to Prenatal Tobacco Exposure. Oxford University Press, 2010.