Chi Benjamin H, Stringer Elizabeth M
Department of Obstetrics and Gynecology, University of North Carolina School of Medicine, Chapel Hill, NC 27599, USA.
Department of Obstetrics and Gynecology, University of North Carolina School of Medicine, Chapel Hill, NC 27599, USA.
Lancet Glob Health. 2015 Nov;3(11):e657-8. doi: 10.1016/S2214-109X(15)00188-6.