Selwyn, S Rational choice of penicillins and cephalosporins based on parallel in-vitro and in-vivo tests. [electronic resource] - Lancet (London, England) Sep 1976 - 616-9 p. digital Publication Type: Comparative Study; Journal Article ISSN: 0140-6736 Standard No.: 10.1016/s0140-6736(76)90679-6 doi Subjects--Topical Terms: AnimalsCephalosporinase--pharmacologyCephalosporins--antagonists & inhibitorsDrug EvaluationIn Vitro TechniquesMaleMicePenicillin ResistancePenicillinase--pharmacologyPenicillins--antagonists & inhibitorsProteus Infections--drug therapyProteus mirabilis--drug effectsStaphylococcal Infections--drug therapyStaphylococcus aureus--drug effects