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Laird NM, Donnelly C, Ware JH.Laird NM, et al.Stat Methods Med Res. 1992;1(3):225-47. doi: 10.1177/096228029200100302.Stat Methods Med Res. 1992.PMID: 1341659Review.
Donnelly CB, Wotherspoon AC, Morris M, Wilson RH, Chen JJ, Cairnduff V, Morgan E, Devlin A, Gavin AT.Donnelly CB, et al.Eur J Cancer Prev. 2017 Sep;26 Joining forces for better cancer registration in Europe:S229-S235. doi: 10.1097/CEJ.0000000000000373.Eur J Cancer Prev. 2017.PMID: 28542078