Ruotao Wang1, Gail E Henderson2. 1. Chinese Center for Disease Control and Prevention, Beijing 100050, China. Electronic address: rtwang@chinaaids.cn. 2. University of North Carolina-Chapel Hill, Chapel Hill, NC, USA.
Authors: David Simmons; Christopher Bunn; Fred Nakwagala; Monika M Safford; Guadalupe X Ayala; Michaela Riddell; Jonathan Graffy; Edwin B Fisher Journal: Ann Fam Med Date: 2015-08 Impact factor: 5.166