Authors: Hoa Van Le; Victor J Schoenbach; Rolando Herrero; Anh Thi Hoang Pham; Hieu Trong Nguyen; Thuy Thi Nguyen; Nubia Muñoz; Silvia Franceschi; Salvatore Vaccarella; Max D Parkin; Peter J F Snijders; Rhoda Ashley Morrow; Jennifer S Smith Journal: Sex Transm Dis Date: 2009-10 Impact factor: 2.830