Singh, M1991-04-012009-05-271991-04-012009-05-271991-04-01Singh M. The challenge of multi-drug resistant typhoid fever. Indian Pediatrics. 1991 Apr; 28(4): 329-32http://imsear.searo.who.int/handle/123456789/9593engAmpicillin --pharmacologyChildChloramphenicol --pharmacologyChloramphenicol Resistance --geneticsDrug Resistance, MicrobialHumansIndiaR Factors --drug effectsSalmonella typhi --drug effectsTrimethoprim Resistance --geneticsTrimethoprim-Sulfamethoxazole Combination --pharmacologyTyphoid Fever --drug therapyThe challenge of multi-drug resistant typhoid fever.Comparative Study