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by Langan, John
by Blitzer, Robert F.
by Ratamess, Nicholas; American College of Sports Medicine (ACSM)
by Traupman, John
by Feldman, Robert
by Marsha Fralick, Beatrice Zamora Aguilar, Larry Gauthier
by Quantway
by Cleaves, Cheryl; Hobbs, Margie
by McKeague; Yoshiwara; Burzynski
by Downing, Skip