| Literature DB >> 5249818 |
F S Markland, E Shaw, E L Smith.
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Year: 1968 PMID: 5249818 PMCID: PMC225275 DOI: 10.1073/pnas.61.4.1440
Source DB: PubMed Journal: Proc Natl Acad Sci U S A ISSN: 0027-8424 Impact factor: 11.205