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- [4] TRANSFORMATIONS OF PENICILLINS INTO CEPHALOSPORINS MAGYAR KEMIAI FOLYOIRAT, 1978, 84 (05): : 208 - 211
- [5] SEMISYNTHETIC PENICILLINS AND CEPHALOSPORINS PHARMACEUTICA ACTA HELVETIAE, 1976, 51 (10): : 273 - 283
- [9] EFFECT OF PH ON THE PROTEIN-BINDING OF PENICILLINS AND CEPHALOSPORINS CLINICAL RESEARCH, 1979, 27 (04): : A718 - A718
- [10] CHOICE AMONG PENICILLINS AND CEPHALOSPORINS BRITISH MEDICAL JOURNAL, 1974, 3 (5923): : 96 - 100