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Freedom RM, Yoo SJ, Russell J, Perrin D, Williams WG.Freedom RM, et al. Among authors: williams wg.Cardiol Young. 2004 Dec;14(6):630-53. doi: 10.1017/S1047951104006080.Cardiol Young. 2004.PMID: 15679999Review.
Dyamenahalli U, McCrindle BW, McDonald C, Trivedi KR, Smallhorn JF, Benson LN, Coles J, Williams WG, Freedom RM.Dyamenahalli U, et al. Among authors: williams wg.Cardiol Young. 2004 Jun;14(3):299-308. doi: 10.1017/S1047951104003087.Cardiol Young. 2004.PMID: 15680024
Vogel M, Smallhorn JF, Freedom RM, Coles J, Williams WG, Trusler GA.Vogel M, et al. Among authors: williams wg.Am J Cardiol. 1988 Apr 1;61(10):857-60. doi: 10.1016/0002-9149(88)91079-x.Am J Cardiol. 1988.PMID: 3354451
Coleman DM, Smallhorn JF, McCrindle BW, Williams WG, Freedom RM.Coleman DM, et al. Among authors: williams wg.J Am Coll Cardiol. 1994 Nov 15;24(6):1558-64. doi: 10.1016/0735-1097(94)90155-4.J Am Coll Cardiol. 1994.PMID: 7930291Free article.Clinical Trial.
Abu-Sulaiman RM, Hashmi A, McCrindle BW, Williams WG, Freedom RM.Abu-Sulaiman RM, et al. Among authors: williams wg.Cardiol Young. 1998 Oct;8(4):449-54. doi: 10.1017/s1047951100007101.Cardiol Young. 1998.PMID: 9855098