Bradley, K. "Use of a Cassette Recorder for Data Collection in Prehospital Cardiac Arrest Research." Annals of Emergency Medicine 22/1 (January 1993): 80-3.

Bradley, K. "Use of a Cassette Recorder for Data Collection in Prehospital Cardiac Arrest Research." Annals of Emergency Medicine 22/1 (January 1993): 80-3.