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1: Proc Natl Acad Sci U S A. 1967 May;57(5):1394-400.Click here to read Links

The heterogeneity of thymine methyl group origin in DNA pyrimidine isostichs of developing sea urchin embryos.

PMID: 5231746 [PubMed - indexed for MEDLINE]

PMCID: PMC224485