| Literature DB >> 5113726 |
R L Murphy, B G Ferris, W A Burgess, J Worcester, E A Gaensler.
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Year: 1971 PMID: 5113726 DOI: 10.1056/NEJM197112022852301
Source DB: PubMed Journal: N Engl J Med ISSN: 0028-4793 Impact factor: 91.245