| Literature DB >> 5220956 |
E A Popenoe, R B Aronson, D D Van Slyke.
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Year: 1966 PMID: 5220956 PMCID: PMC224156 DOI: 10.1073/pnas.55.2.393
Source DB: PubMed Journal: Proc Natl Acad Sci U S A ISSN: 0027-8424 Impact factor: 11.205