1. The impact of lithotripsy on surgical practice;Wickham,1987
2. Shockwaves for gallstones: animal studies;Brendel;Lancet,1983
3. Fragmentation of gallstones by extracorporeal shock waves;Sauerbruch;New Engl J Med,1986
4. Extracorporeal shockwaves (ESW) for gallstone fragmentation: first in-vitro experience with a second generation device working without the conventional water bath;Staritz;Gastroenterol,1987
5. Passage of stone fragments from the gallbladders of dogs;Delius;Surg Gyn Obstetr,1988