| Literature DB >> 5782719 |
I Singh, P K Khanna, M C Srivastava, M Lal, S B Roy, C S Subramanyam.
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Year: 1969 PMID: 5782719 DOI: 10.1056/NEJM196901232800402
Source DB: PubMed Journal: N Engl J Med ISSN: 0028-4793 Impact factor: 91.245