Wachanan Wongsena. 1996. Screening for window period of HIV-1 infection in blood donors. Faculty of Graduate Studies, Mahidol University;
Wachanan Wongsena. (1996) Screening for window period of HIV-1 infection in blood donors . Mahidol University/Bangkok.
Wachanan Wongsena. Screening for window period of HIV-1 infection in blood donors. . Bangkok:Mahidol University, 1996.
Wachanan Wongsena. (1996) Screening for window period of HIV-1 infection in blood donors . Mahidol University/Bangkok.