Massoud, Amr M The success of extracorporeal shock-wave lithotripsy based on the stone-attenuation value from non-contrast computed tomography. [electronic resource] - Arab journal of urology Jun 2014 - 155-61 p. digital Publication Type: Journal Article ISSN: 2090-598X Standard No.: 10.1016/j.aju.2014.01.002 doi