Nakajima, T Formation of the recombinant between ampicillin resistance determinant and transfer factor. [electronic resource] - Japanese journal of microbiology Jul 1973 - 251-6 p. digital Publication Type: Journal Article ISSN: 0021-5139 Standard No.: 10.1111/j.1348-0421.1973.tb00770.x doi Subjects--Topical Terms: Ampicillin--pharmacologyEnterobacterEscherichia coliGenetics, MicrobialMutationPenicillin ResistancePenicillinase--metabolismRecombination, Genetic