David M. Hoenig

Lower-pole caliceal stone clearance after shockwave lithotripsy, percutaneous nephrolithotomy, and flexible ureteroscopy: impact of radiographic spatial anatomy.

R. Clayman, J. Lingeman, A. Shalhav, 1998, Journal of endourology.

Clinical effectiveness of new stent design: randomized single-blind comparison of tail and double-pigtail stents.

R. Clayman, A. Shalhav, J. Wolf, 2000, Journal of endourology.