Selective multiplication of dihydrofolate reductase genes in methotrexate-resistant variants of cultured murine cells - PubMed (original) (raw)

. 1978 Mar 10;253(5):1357-70.

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Selective multiplication of dihydrofolate reductase genes in methotrexate-resistant variants of cultured murine cells

F W Alt et al. J Biol Chem. 1978.

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