P. Wirtz

[Extracorporeal piezoelectric lithotripsy of salivary calculi. In vitro studies].

H. Iro, C. Ell, J. Meier, 1989, HNO.

Significance of computed tomography for shock-wave therapy of radiolucent gallbladder stones.

E. G. Hahn, C. Ell, P. Wirtz, 1991, Gastroenterology.

Piezoelectric shock wave lithotripsy of salivary gland stones: an in vitro feasibility study.

H. Iro, C. Ell, J. Meier, 1991, The Journal of lithotripsy & stone disease.

Piezoelectric lithotripsy: stone disintegration and follow-up results in patients with symptomatic gallbladder stones.

E. G. Hahn, C. Ell, W. Domschke, 1990, Gastroenterology.

[Tissue reactions with administration of piezoelectric shock waves in lithotripsy of salivary calculi].

H. Iro, C. Ell, J. Zenk, 1990, Laryngo- rhino- otologie.

Lithotripsy of gallstones by means of a quality-switched giant-pulse neodymium:Yttrium-aluminum-garnet laser: Basic in vitro studies using a highly flexible fiber system

E. G. Hahn, C. Ell, J. Hochberger, 1991 .

Laser Lithotripsy of Biliary and Urinary Calculi by Means of a Q-Switched Nd:YAG-Laser and Highly Flexible Fiber Systems

E. G. Hahn, C. Ell, J. Hochberger, 1990 .