- Pyrimethamine-sulfadoxine treatment of uncomplicated Plasmodium falciparum malaria in Lao PDR. Mannoor, M.K., Vanisaveth, V., Keokhamphavanh, B., Toma, H., Watanabe, H., Kobayashi, J., Hatabu, T., Taguchi, N., Hongvangthong, B., Phetsouvanh, R., Phompida, S., Kano, S., Sato, Y. Southeast Asian J. Trop. Med. Public Health (2005)