| Literature DB >> 2510572 |
P Nickerson1, P Orr, M L Schroeder, L Sekla, J B Johnston.
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Year: 1989 PMID: 2510572 DOI: 10.7326/0003-4819-111-10-851
Source DB: PubMed Journal: Ann Intern Med ISSN: 0003-4819 Impact factor: 25.391