1. The problems and implications of chloramphenicol resistance in the typhoid bacillus;ANDERSON;Journal of Hygiene, Cambridge,1975
2. A rapid alkaline extraction procedure for screening recombinant plasmid DNA;BIRNBOIM;Nucleic Acids Research,1979
3. The different characteristics of antibiotic-resistant and sensitive bacteria;CASEWELL,1982
4. Methods of studying plasmid-determined resistance to tetracyclines;CHOPRA,1983
5. The excretion of Salmonella typhimurium in the faeces of calves fed milk substitute;HINTON;Journal of Hygiene, Cambridge,1983