| Literature DB >> 4880607 |
R M Halpern, B C Halpern, K A Conklin, R A Smith.
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Year: 1968 PMID: 4880607 PMCID: PMC285924 DOI: 10.1073/pnas.61.1.207
Source DB: PubMed Journal: Proc Natl Acad Sci U S A ISSN: 0027-8424 Impact factor: 11.205