1. Bohris C, Roosen A, Dickmann M, et al. Monitoring the coupling of the lithotripter therapy head with skin during routine shock wave lithotripsy with a surveillance camera. J Urol. 2012;187:157–63.
2. Chaussy C, Tailly GG, Bernd F, et al. Extracorporeal SW-lithotripsy in a nutshell. In: Chaussy C, Tailly GG, editors. 2nd ed. Dornier MedTech; 2015.
3. Kravchick S, Bunkin I, Stepnov E, Peled R, Agulansky L, Cytron S. Emergency extracorporeal shockwave lithotripsy for acute renal colic caused by upper urinary-tract stones. J Endourol. 2005;19:1–4.
4. Li G, Williams Jr JC, Pishchalnikov YA, Liu Z, McAteer JA. Size and location of defects at the coupling interface affect lithotripter performance. BJU Int. 2012;110(116):E871–7.
5. Picozzi S, Ricci C, Gaeta M, et al. Urgent shock wave lithotripsy as first-line treatment for ureteral stones: a meta-analysis of 570 patients. Urol Res. 2012;40:725–31.