Liao Xiaomei, Zhou Xin, Spiegelman Donna
Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA, United States; Department of Biostatistics, Harvard T.H. Chan School of Public Health, Boston, MA, United States.
Contemp Clin Trials. 2015 Nov;45(Pt B):338-339. doi: 10.1016/j.cct.2015.09.011. Epub 2015 Sep 21.