| Literature DB >> 5764501 |
B C Campion, C E Harrison, E R Giuliani, T T Schattenberg, F H Ellis.
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Year: 1969 PMID: 5764501 DOI: 10.7326/0003-4819-70-2-251
Source DB: PubMed Journal: Ann Intern Med ISSN: 0003-4819 Impact factor: 25.391