| Literature DB >> 4868221 |
D L Engelhardt, H D Robertson, N D Zinder.
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Year: 1968 PMID: 4868221 PMCID: PMC224793 DOI: 10.1073/pnas.59.3.972
Source DB: PubMed Journal: Proc Natl Acad Sci U S A ISSN: 0027-8424 Impact factor: 11.205