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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.
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Barry A. Franklin (2005) studied this question.
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