0 What are the Three Types of Bleeding? January 19, 2020 by John Furst · Published January 19, 2020 · Last modified April 3, 2023
1 A guide to triage for first aiders and first responders March 15, 2016 by John Furst · Published March 15, 2016 · Last modified February 13, 2016
0 How does pulse oximetry work? October 7, 2015 by John Furst · Published October 7, 2015 · Last modified October 6, 2015