Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Example of phonocardiography sensors (a) HSM-300 Heart sounds Monitor from IWORK; (b) Heart sounds microphone model 50-4724 from MindWare; (c) MLT 201 Cardio Microphone from ADinstruments; (d) Physiological Sounds Microphone Model AH153 from Biopac Systems.
