BMJ · 1962 · 31 citations · 0 references
Life SciencesMicrobiologyAntimicrobial ResistanceMedical MicrobiologyAntibiotic ResistanceAntibiotic Resistance MechanismsAntimicrobial Resistance ControlBeta-lactam ResistanceResistance GenesResistance In Gram-positive BacteriaMethicillin ResistanceResistance Mechanisms In StaphylococciResistance Mechanisms In Streptococci