| Literature DB >> 6028656 |
L D Ostrander, B J Neff, W D Block, T Francis, F H Epstein.
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Year: 1967 PMID: 6028656 DOI: 10.7326/0003-4819-67-1-34
Source DB: PubMed Journal: Ann Intern Med ISSN: 0003-4819 Impact factor: 25.391