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Harvey IM, Roberts CJ.Harvey IM, et al. Among authors: roberts cj.Lancet. 1987 Jan 17;1(8525):145-7. doi: 10.1016/s0140-6736(87)91976-3.Lancet. 1987.PMID: 2879979
Hughes RO, Roberts C.Hughes RO, et al. Among authors: roberts c.Lancet. 1972 Oct 7;2(7780):751-2. doi: 10.1016/s0140-6736(72)92038-7.Lancet. 1972.PMID: 4116159No abstract available.
Bale JF Jr, Roberts C, Book LS.Bale JF Jr, et al. Among authors: roberts c.Lancet. 1979 Mar 31;1(8118):725-6.Lancet. 1979.PMID: 85964No abstract available.
Roberts CJ, Tizard IR, Mellors A, Clarkson MJ.Roberts CJ, et al.Lancet. 1977 Dec 3;2(8049):1187-8. doi: 10.1016/s0140-6736(77)91589-6.Lancet. 1977.PMID: 73109No abstract available.
White GB, Ashton CI, Roberts C, Parry HE.White GB, et al. Among authors: roberts c.Lancet. 1974 Sep 21;2(7882):726. doi: 10.1016/s0140-6736(74)93308-x.Lancet. 1974.PMID: 4143001No abstract available.