1. Disk susceptibility test;Acar;Antibiotics in Laboratory Medicine,1985
2. Speecies inciidence and trends of susceptibility to antibiotics in the United States and other countries: MIC and MBC;Atkinson;Antibiotics in Laboratory Medicine,1985
3. Discrepancy between antibiotic (amoxycillin) resistance in vitro and efficacy in calf diarrhoea;Bywater;Vet. Rec.,1978
4. Identification and classification of bacterial plasmids;Couturier;Microbiol. Rev.,1988
5. Changes in the antigenicity and toxigenicity of streptococci induced by certain antibiotics;Gemmell,1979