1. Brown AH, Davies PG. Ultrasonic decalcification of calcified cardiac valves and annuli. Br Med J 1972; 3: 274–277.
2. Davidson TA. No lift capsular bag phacoemulsification and dialing technique for no-hole intraocular lens optic. J Cataract Refract Surg 1988; 4: 346–349.
3. Brannen GE, Bush WH. Percutaneous ultrasonic versus surgical removal of kidney stones. Surg Gynecol Obstet 1985; 161: 473–8.
4. Gacetta DJ, Cohen JM, Crummy AB, Joseph DB, Kuglitsch M, Mack E. Ultrasonic lithotripsy of gallstones after cholecystostomy. Am J Radiol 1984; 143: 1088–1089.
5. Mindich BP, Guarino T, Krenz H, Li X, Gonzalez E. Aortic valve salvage utilizing high frequency vibratory debridement. J Am Coll Cardiol 1987; 11: 3A.