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Freedom RM, Williams WG, Dische MR, Rowe RD.Freedom RM, et al. Among authors: williams wg.Br Heart J. 1976 Aug;38(8):821-6. doi: 10.1136/hrt.38.8.821.Br Heart J. 1976.PMID: 61758Free PMC article.
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Akagi T, Benson LN, Green M, Ash J, Gilday DL, Williams WG, Freedom RM.Akagi T, et al. Among authors: williams wg.J Am Coll Cardiol. 1992 Oct;20(4):920-6. doi: 10.1016/0735-1097(92)90194-r.J Am Coll Cardiol. 1992.PMID: 1527303Free article.
Stein JI, Smallhorn JF, Coles JG, Williams WG, Trusler GA, Freedom RM.Stein JI, et al. Among authors: williams wg.Int J Cardiol. 1990 Jul;28(1):7-17. doi: 10.1016/0167-5273(90)90003-n.Int J Cardiol. 1990.PMID: 1694830
Trusler GA, Williams WG, Cohen AJ, Rabinovitch M, Moes CA, Smallhorn JF, Coles JG, Lightfoot NE, Freedom RM.Trusler GA, et al. Among authors: williams wg.Circulation. 1990 Nov;82(5 Suppl):IV131-8.Circulation. 1990.PMID: 1699683