Comparative efficacy of chloramphenicol, ampicillin, and co-trimoxazole in the treatment of typhoid fever
Snyder, M. J.; Gonzalez, O. A.; Palomino, C.; Music, S. I.; Hornick, R. B.; Perroni, J.; Woodward, W. E.; Gonzalez, C.; Dupont, H. L.; Woodward, T. E. (1976)