György, S [Penicillin determination on the basis of spectrophotometric measurements of penicillic acid]. [electronic resource] - Acta pharmaceutica Hungarica Nov 1976 - 248-53 p. digital Publication Type: English Abstract; Journal Article ISSN: 0001-6659 Subjects--Topical Terms: Caproates--analysisPenicillic Acid--analysisPenicillins--analysisSpectrophotometry