TY  - CHAP
M1  - Book, Section
TI  - Ultrasound
A1  - Shindler, Daniel M.
A1  - Shindler, Olga I.
A1  - Wright, Alicia
Y1  - 2020
N1  - 
T2  - Practical Echocardiography for Cardiac Sonographers
AB  - Sound  frequencies  above  the  audible  range.Familiar  example:  A  dog  whistle.  
SN  - 
PB  - McGraw Hill
CY  - New York, NY
Y2  - 2024/04/19
UR  - accesscardiology.mhmedical.com/content.aspx?aid=1175624922
ER  -