Le, Giang T., Duc H. Bui, Diep T. Vu, Duong C. Thanh, Nghia V. Khuu, Huong T. Phan, Sheryl Lyss, and Abu Abdul-Quader. 2018. “Return of Test Results in Vietnam HIV Sentinel Surveillance: Implementation and Preliminary Results”. Online Journal of Public Health Informatics 10 (1). https://doi.org/10.5210/ojphi.v10i1.9123.