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Power and sample size: how many patients do I need?
Grunkemeier GL, Jin R. Grunkemeier GL, et al. Ann Thorac Surg. 2007 Jun;83(6):1934-9. doi: 10.1016/j.athoracsur.2007.01.020. Ann Thorac Surg. 2007. PMID: 17532374 No abstract available.
Time-related risk of the St. Jude Silzone heart valve.
Grunkemeier GL, Jin R, Im K, Holubkov R, Kennard ED, Schaff HV. Grunkemeier GL, et al. Eur J Cardiothorac Surg. 2006 Jul;30(1):20-7. doi: 10.1016/j.ejcts.2006.04.012. Epub 2006 May 26. Eur J Cardiothorac Surg. 2006. PMID: 16730188 Clinical Trial.
247 results