| Literature DB >> 4107718 |
P L Ogra, D Kerr-Grant, G Umana, J Dzierba, D Weintraub.
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Year: 1971 PMID: 4107718 DOI: 10.1056/NEJM197112092852401
Source DB: PubMed Journal: N Engl J Med ISSN: 0028-4793 Impact factor: 91.245