Henry Holzgrefe Henry Holzgrefe Safety Pharmacology ConsultantCharles River Laboratories Connect with me Biography Projects #ExpertAnswers: Henry Holzgrefe and Belal Mohamed on Arrhythmia Detection Don’t Miss a Beat: Arrhythmia Detection for Preclinical ECG Research Thursday, February 25, 2016 Andy Henton2021-01-04T14:58:40-05:00