Hejzlar, M [Serum concentrations of phenoxymethylpenicillin in a controlled study on volunteers]. [electronic resource] - Casopis lekaru ceskych Aug 1971 - 817-20 p. digital Publication Type: Clinical Trial; Controlled Clinical Trial; Journal Article ISSN: 0008-7335 Subjects--Topical Terms: AdultClinical Trials as TopicDosage FormsFemaleHumansMaleMiddle AgedPenicillin V--administration & dosageTime Factors