1. Revised 510(k) Diagnostic ultrasound guidance for 1993;Center for Devices and Radiologic Health,1993
2. Use of mechanical index in place of spatial peak, pulse average intensity in determining substantial equivalence;Center for Devices and Radiologic Health,1994
3. Current status of research on biophysical effects of ultrasound;Barnett;Ultrasound Med Biol,1994
4. Standard for real-time display of thermal and mechanical acoustic output indices on diagnostic ultrasound equipment;AIUM/NEMA,1992