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Abstract
Entities: Chemical
Mesh: See more » HumansMutationPenicillin ResistancePenicillins/administration & dosagePenicillins/pharmacologyPneumococcal Infections/drug therapyStreptococcus pneumoniae/drug effects
Substances: See more » Penicillins
Year: 1971 PMID: 4397555 PMCID: PMC1796273
Source DB: PubMed Journal: Br Med J ISSN: 0007-1447