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Van Der Molen AJ, Cowan NC, Mueller-Lisse UG, Nolte-Ernsting CC, Takahashi S, Cohan RH; CT Urography Working Group of the European Society of Urogenital Radiology (ESUR).Van Der Molen AJ, et al. Among authors: cowan nc.Eur Radiol. 2008 Jan;18(1):4-17. doi: 10.1007/s00330-007-0792-x. Epub 2007 Nov 1.Eur Radiol. 2008.PMID: 17973110
Blick CG, Nazir SA, Mallett S, Turney BW, Onwu NN, Roberts IS, Crew JP, Cowan NC.Blick CG, et al. Among authors: cowan nc.BJU Int. 2012 Jul;110(1):84-94. doi: 10.1111/j.1464-410X.2011.10664.x. Epub 2011 Nov 28.BJU Int. 2012.PMID: 22122739