1. The problem of infections due to gram-negative organisms;Turck;Antimicrob. Agents Chemother.,1966
2. Changes in the pattern of neonatal septicemia and meningitis;McCracken;Am. J. Dis. Child.,1966
3. Drug resistance and R factors in the bowel bacteria of London patients before and after admission to hospital;Datta;Br. Med. J.,1969
4. Contribution of R factors to the antibiotic resistance of hospital isolates of Serratia;Medeiros;Antimicrob. Agents Chemother.,1968
5. Infectious drug resistance among clnnically isolated Escherichia coli;Gunter;J. Bacteriol.,1968