Key points are not available for this paper at this time.
Cardiac Rehabilitation Program and Exercise Laboratories, William Beaumont Hospital, Royal Oak, and Wayne State University, School of Medicine, Detroit, Mich. Address correspondence to: Barry A. Franklin, PhD, Beaumont Health Center, Preventive Cardiology, 4949 Coolidge Highway, Royal Oak, MI 48073 (e-mail: email protected). The author has no conflict of interest. This commentary is dedicated to the memory of Dr Michael L. Pollock, a dear friend and an esteemed colleague, who had a profound and favorable influence on my career direction.
Barry A. Franklin (Fri,) studied this question.