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CRISTAL: protocol for a cluster randomised, crossover, non-inferiority trial of aspirin compared to low molecular weight heparin for venous thromboembolism prophylaxis in hip or knee arthroplasty, a registry nested study.
Sidhu VS, Graves SE, Buchbinder R, Naylor JM, Pratt NL, de Steiger RS, Chong BH, Ackerman IN, Adie S, Harris A, Hansen A, Cripps M, Lorimer M, Webb S, Clavisi O, Griffith EC, Anandan D, O'Donohue G, Kelly TL, Harris IA. Sidhu VS, et al. Among authors: anandan d. BMJ Open. 2019 Nov 6;9(11):e031657. doi: 10.1136/bmjopen-2019-031657. BMJ Open. 2019. PMID: 31699735 Free PMC article.
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