1. The development of drug resistance in microorganisms;Abraham,1953
2. An enzyme from bacteria able to destroy penicillin;Abraham;Nature, London,1940
3. Further observations on penicillin;Abraham;Lancet,1941
4. Discussion at the symposium, “Origin of Drug Resistance in Microorganisms”;Akiba,1954
5. Induction of streptomycin resistance in sensitive Hemophilus influenzae by extracts containing desoxyribonucleic acid from resistant Hemophilus influenzae;Alexander;J. Exper. Med.,1953