| Literature DB >> 4212094 |
S P Martin, M C Donaldson, C D London, O L Peterson, T Colton.
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Year: 1974 PMID: 4212094 DOI: 10.7326/0003-4819-81-3-289
Source DB: PubMed Journal: Ann Intern Med ISSN: 0003-4819 Impact factor: 25.391