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Peters RJ, Kok WE, van der Wal AC, Visser CA.Peters RJ, et al. Among authors: kok we.J Am Soc Echocardiogr. 1996 May-Jun;9(3):329-36. doi: 10.1016/s0894-7317(96)90148-0.J Am Soc Echocardiogr. 1996.PMID: 8736018
Peters RJ, Kok WE, van der Wal AC, Visser CA.Peters RJ, et al. Among authors: kok we.Ultrasound Med Biol. 1996;22(8):999-1005. doi: 10.1016/s0301-5629(96)00129-9.Ultrasound Med Biol. 1996.PMID: 9004423
Eurlings LW, van Pol PE, Kok WE, van Wijk S, Lodewijks-van der Bolt C, Balk AH, Lok DJ, Crijns HJ, van Kraaij DJ, de Jonge N, Meeder JG, Prins M, Pinto YM.Eurlings LW, et al. Among authors: kok we.J Am Coll Cardiol. 2010 Dec 14;56(25):2090-100. doi: 10.1016/j.jacc.2010.07.030.J Am Coll Cardiol. 2010.PMID: 21144969Free article.Clinical Trial.