1. Extracorporeal shockwave lithotripsy (ESWL): alternatives and adjuvant procedures.;Alken;World Journal of Urology,1985
2. Percutaneous stone manipulation.;Alken;Journal of Urology,1981
3. Early morphological and functional alterations after extracorporeal shockwave lithotripsy.;Alken;Abstracts, Second World Congress on Percutaneous Renal Surgery, Mainz,1984
4. Extracorporeal Shock Wave Lithotripsy
5. Extracorporeally induced destruction of kidney stones by shockwaves.;Chaussy;Lancet,1980