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Is there still an avoidable fraction of post-operative thromboembolic complications with heparin prophylaxis? The results of a case-control surveillance. Collaborative Group on Heparin Prophylaxis in Surgery (S.E.P.E.C.).
Pangrazzi J, Donati MB, Romero M, Scroccaro G, Colombo F, Terzian E, Tognoni G. Pangrazzi J, et al. Among authors: romero m. J Clin Epidemiol. 1993 Apr;46(4):371-7. doi: 10.1016/0895-4356(93)90152-q. J Clin Epidemiol. 1993. PMID: 8483002 Clinical Trial.
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