Choi, H., Wang, L., Lin, X., Spengler, J. D., & Perera, F. P. (2012). Fetal Window of Vulnerability to Airborne Polycyclic Aromatic Hydrocarbons on Proportional Intrauterine Growth Restriction. Public Library of Science.

Choi, Hyunok, Lu Wang, Xihong Lin, John D. Spengler, and Frederica P. Perera. Fetal Window of Vulnerability to Airborne Polycyclic Aromatic Hydrocarbons On Proportional Intrauterine Growth Restriction. Public Library of Science, 2012.

Choi, Hyunok, et al. Fetal Window of Vulnerability to Airborne Polycyclic Aromatic Hydrocarbons On Proportional Intrauterine Growth Restriction. Public Library of Science, 2012.