| Literature DB >> 2716802 |
V A Varma, S Hunter, R Tickman, A Srinivasan, D Swan.
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Year: 1989 PMID: 2716802 DOI: 10.1056/NEJM198906013202214
Source DB: PubMed Journal: N Engl J Med ISSN: 0028-4793 Impact factor: 91.245