108x
Filetype PPTX
File size 0.18 MB
Source: uomustansiriyah.edu.iq
File: Ultrasound Therapy Ppt 78086 | 3 2017 12 13!02 41 17 Pm
Infrasound refers to sound frequencies below the normal hearing range, or less than 20Hz. The audible sound range is usually defined as 20Hz to 20.000Hz (20kHz). However, relatively few ...
Filetype Power Point PPTX | Posted on 04 Sep 2022 | 2 years ago