Open-label randomized trial of oral trimethoprim-sulfamethoxazole, doxycycline, and chloramphenicol compared with trimethoprim-sulfamethoxazole and doxycycline for maintenance ther... by Chaowagul, W, Chierakul, W, Simpson, A, Short, J, Stepniewska, K, Maharjan, B, Rajchanuvong, A, Busarawong, D, Limmathurotsakul, D, Cheng, A, Wuthiekanun, V, Newton, P, White, N, Day, N, Peacock, S