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Roderick P, Clements S, Stone N, Martin D, Diamond I.Roderick P, et al.J Health Serv Res Policy. 1999 Jul;4(3):139-46. doi: 10.1177/135581969900400304.J Health Serv Res Policy. 1999.PMID: 10538878
Lamping DL, Constantinovici N, Roderick P, Normand C, Henderson L, Harris S, Brown E, Gruen R, Victor C.Lamping DL, et al. Among authors: roderick p.Lancet. 2000 Nov 4;356(9241):1543-50. doi: 10.1016/S0140-6736(00)03123-8.Lancet. 2000.PMID: 11075766Clinical Trial.