| Literature DB >> 4721181 |
B C Schiele, D Gallant, G Simpson, E A Gardner, J O Cole.
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Year: 1973 PMID: 4721181 DOI: 10.7326/0003-4819-79-1-99
Source DB: PubMed Journal: Ann Intern Med ISSN: 0003-4819 Impact factor: 25.391