pmc.ncbi.nlm.nih.govPurification and Some Physical and Chemical Properties of Penicillin: with a Note on The Spectrographic Examination of Penicillin Preparations . 1942 Jun;23(3):103–119. with a Note on The Spectrographic Examination of Penicillin Preparations E P Abraham, E Chain, E R Holiday PMCID: PMC2065494 Full text PDF 103 104 105 106 107 … 119 Next
. 1942 Jun;23(3):103–119. with a Note on The Spectrographic Examination of Penicillin Preparations E P Abraham, E Chain, E R Holiday PMCID: PMC2065494 Full text PDF 103 104 105 106 107 … 119 Next