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by American College of Sports Medicine
by Northouse, Peter G.
by Ferris, Kerry; Stein, Jill
by Polit, Denise F.; Beck, Cheryl Tatano
by Rothwell, J. Dan
by Lippert, Lynn S.
by O'Hair, Dan; Rubenstein, Hannah; Stewart, Rob
by Skolnik, Richard
by Melnyk, Bernadette; Fineout-Overholt, Ellen
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