| Literature DB >> 9923878 |
K Rockwood, K Stadnyk, C MacKnight, I McDowell, R Hébert, D B Hogan.
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Year: 1999 PMID: 9923878 DOI: 10.1016/S0140-6736(98)04402-X
Source DB: PubMed Journal: Lancet ISSN: 0140-6736 Impact factor: 79.321