| Literature DB >> 3395048 |
R Speich, B Saesseli, U Hoffmann, K A Neftel, J Reichen.
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Year: 1988 PMID: 3395048 DOI: 10.7326/0003-4819-109-4-345_2
Source DB: PubMed Journal: Ann Intern Med ISSN: 0003-4819 Impact factor: 25.391