Piekarowicz, A The influence of methionine deprivation on restriction properties of Haemophilus influenzae Rd and Ra strains. [electronic resource] - Acta microbiologica Polonica. Series A: Microbiologia generalis 1974 - 71-4 p. digital Publication Type: Journal Article ISSN: 0567-7815 Subjects--Topical Terms: BacteriophagesEndonucleases--classificationEthionine--metabolismHaemophilus influenzae--enzymologyMethionine--metabolismMutationS-Adenosylmethionine--metabolism