1. Flamm, E. S., J. Ransohoff, D. Wuchinich et al.: Preliminary experience with ultrasonic aspiration in neurosurgery. Neurosurg. 2 (1978) 240–245
2. Flamm, E. S., J. Ransohoff: Ultrasonic aspiration of intracranial tumours. Paper presented at the 47th Annual Meeting of the Am. Assoc. Neurol. Surg., April 22–26, 1979
3. Hodgson, W. J. B.: The ultrasonic scalpel. Bull. N. Y. Acad. Med. 55 (1979) 908–915
4. Hodgson, W. J. B., J. L. Finkelstein, P. Woodriffe et al.: Continent anal ileostomy with mucosal protectomy: a bloodless technique using a surgical ultrasonic aspirator in dogs. Br. J. Surg. 66 (1979) 857–860
5. Hodgson, W. J. B., P. K. Poddar, E. J. Mencer et al.: Evaluation of ultrasonically powered instruments in the laboratory and in the clinical setting. Am. J. Gastroenterol. 72 (1979) 133–140