Aning J, Dunn J, Daugherty M, Mason R, Pocock R, Ridler B, Thompson J, McGrath JS. BJU Int. 2012 Jul 23. doi: 10.1111/j.1464-410X.2012.11338.x. [Epub ahead of print]
Departamento de Cirurgia, Exeter Surgical Health Services Research Unit, Royal Devon and Exeter NHS Trust, Exeter Departamento de Urologia, Torbay Hospital, Torquay, Reino Unido.