1. Weniger, B. G., Limpakarnjanarat, K., Ungchusak, K., Thanprasertsuk, S., Choopanya, K., Vanichseni, S., Uneklabh, T., Thongcharoin, P., Wasi, C. The epidemiology of HIV infection and AIDS in Thailand. AIDS 5 (Suppl. 2) (1991) S71-S85.
2. Sakondhavat, C., Borkam, A., Chainchanwong, S., Sakammai, S., Pinivatsoontorn, P. Study of AIDS prevention strategies in a high-risk population. Family Planning Unit, Faculty of Medicine, Khon Kaen University, Khon Kaen, Report (1988).
3. Rojanapithayakorn, W. Behavorial and social characteristics of patients with repeated veneral disease infections. Journal Medical Association Thailand 66 (1983) 47–51.
4. Siraprapasiri, T., Thanprasertsuk, S., Rodklay, A., Srivanichakorn, S., Sawanpanyalert, P., Temtanarak, J. Risk factors for HIV among prostitutes in Chiangmai, Thailand. AIDS 5 (1991) 579–582.
5. Plummer, F. A., Simonsen, I. N., Cameron, D. W., Ndinya-Achola, I. D., Kreiss, I. K., Gakinya, M. N., Waiyaki, P., Cheang, M., Piot, P., Ronald, A. R., Ngugi, E. N. Cofactors in male-female sexual transmission of human immunodeficiency virus type 1. J. Infect. Dis. 163 (1991) 233–239.