1. Ampicillin-resistant strains of Haemophilus influenzae type b;American Academy of Pediatrics Committee on Infectious Diseases.;Pediatrics,1975
2. Cole F. S. R. S. Daum L. Teller D. A. Goldmann and NOTES 351
3. A. L. Smith. 1979. Effect of ampicillin and chlorampheni
4. col alone and in combination on ampicillin-susceptible and
5. col alone and in combination on ampicillin-susceptible and