TY - GEN AU - Pollock,M R TI - Origin and function of penicillinase: a problem in biochemical evolution SN - 0007-1447 PY - 1967///1212 KW - Adaptation, Physiological KW - Bacillus cereus KW - enzymology KW - Bacteria KW - Biological Evolution KW - Cephalosporins KW - physiology KW - Escherichia coli KW - Humans KW - Klebsiella KW - Penicillinase KW - biosynthesis KW - Staphylococcus N1 - Publication Type: Journal Article UR - https://doi.org/10.1136/bmj.4.5571.71 ER -