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. 1967 Nov 28;30(1):81-95.
doi: 10.1016/0022-2836(67)90245-8.

Histidine regulatory mutants in Salmonella typhimurium. IV. A positive selection for polar histidine-requiring mutants from histidine operator constitutive mutants

Histidine regulatory mutants in Salmonella typhimurium. IV. A positive selection for polar histidine-requiring mutants from histidine operator constitutive mutants

G R Fink et al. J Mol Biol. .
No abstract available

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