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Gray E, Tubbs J, Thomas S, Oates A, Boisclair M, Kemball-Cook G, Barrowcliffe TW.Gray E, et al. Among authors: barrowcliffe tw.Thromb Haemost. 1995 Apr;73(4):675-9.Thromb Haemost. 1995.PMID: 7495077
Gray E, Walker D, Heath A, Barrowcliffe TW.Gray E, et al. Among authors: barrowcliffe tw.Thromb Haemost. 1996 Dec;76(6):1114-7.Thromb Haemost. 1996.PMID: 8972040