Prevalence of resistance plasmids and the intricacies of ampicillin resistance transfer in S. newport strains isolated in Delhi (1975-77).
D000667:Ampicillin; D000818:Animals; D005111:Extrachromosomal Inheritance; D010403:Penicillin Resistance; D010957:Plasmids; D012475:Salmonella / Q000235:genetics*; D012483:Salmonella Phages / Q000235:genetics
D000667:Ampicillin