| Literature DB >> 4127761 |
E W Gelfand, R Baumal, J Huber, M C Crookston, K H Shumak.
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Year: 1973 PMID: 4127761 DOI: 10.1056/NEJM197312272892602
Source DB: PubMed Journal: N Engl J Med ISSN: 0028-4793 Impact factor: 91.245