| Literature DB >> 1744855 |
T Qaseem1, W D Paterson, G W Jardine, G Wild, A M Ward, D M Large.
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Year: 1991 PMID: 1744855 PMCID: PMC1295570 DOI: 10.1177/014107689108401025
Source DB: PubMed Journal: J R Soc Med ISSN: 0141-0768 Impact factor: 18.000