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Whelan T, Clark R, Roberts R, Levine M, Foster G.Whelan T, et al. Among authors: roberts r.Int J Radiat Oncol Biol Phys. 1994 Aug 30;30(1):11-6. doi: 10.1016/0360-3016(94)90513-4.Int J Radiat Oncol Biol Phys. 1994.PMID: 8083103Clinical Trial.
Clark RM, Whelan T, Levine M, Roberts R, Willan A, McCulloch P, Lipa M, Wilkinson RH, Mahoney LJ.Clark RM, et al. Among authors: roberts r.J Natl Cancer Inst. 1996 Nov 20;88(22):1659-64. doi: 10.1093/jnci/88.22.1659.J Natl Cancer Inst. 1996.PMID: 8931610Clinical Trial.
Le Feuvre CA, Connolly SJ, Cairns JA, Gent M, Roberts RS.Le Feuvre CA, et al. Among authors: roberts rs.Am J Cardiol. 1996 Dec 15;78(12):1345-9. doi: 10.1016/s0002-9149(96)00652-2.Am J Cardiol. 1996.PMID: 8970404
Connolly SJ, Sheldon R, Roberts RS, Gent M.Connolly SJ, et al. Among authors: roberts rs.J Am Coll Cardiol. 1999 Jan;33(1):16-20. doi: 10.1016/s0735-1097(98)00549-x.J Am Coll Cardiol. 1999.PMID: 9935002Free article.Clinical Trial.
Cairns JA, Connolly SJ, Gent M, Roberts R.Cairns JA, et al. Among authors: roberts r.Circulation. 1991 Aug;84(2):550-7. doi: 10.1161/01.cir.84.2.550.Circulation. 1991.PMID: 1860199Clinical Trial.