Shahidi, S A Bactericidal efficiency of penicillin G in normal and mastitic milk: tube dilution assays. [electronic resource] - American journal of veterinary research Jul 1968 - 1391-6 p. digital Publication Type: Journal Article ISSN: 0002-9645 Subjects--Topical Terms: AnimalsCattleFemaleFood Contamination--drug effectsMastitis, Bovine--microbiologyMilk--microbiologyPenicillin G--pharmacologyStaphylococcus--isolation & purification