VELU, H [Modifications in the formation of penicillin by Penicillium chrysogenum Thom. by successive division and thinning out of cultures]. [electronic resource] - Annales pharmaceutiques francaises May 1952 - 344-9 p. digital Publication Type: Journal Article ISSN: 0003-4509 Subjects--Topical Terms: PenicillinsPenicilliumPenicillium chrysogenum