Colditz, G., Cannuscio, C., & Frazier, A. (1997). Physical activity and reduced risk of colon cancer: Implications for prevention. Cancer Causes Control, 8(4), 649-667.
2.
Klentrou, P., Cieslak, T., MacNeil, M., Vintinner, A., & Plyley, M. (2002). Effects of physical activity, body fat, and salivary cortisol on mucosal immunity in children. European Journal of Applied Physiology, 87(2), 153-158.
3.
Kramer, M., & Wells, C. (1996). Does physical activity reduce risk of estrogen-dependent cancer in women? Medical Science Sports Exercise, 28(3), 322-334.
4.
Powell, K.E., & Blair, S.N. (1994). The public health burdens of sedentary living habits: Theoretical but realistic estimates. Medical Science Sports Exercise, 26(7), 851-856.
5.
Shaffer, F. (2001). Skills needed for the new millennium. National Association for Health Care Recruitment, December/January, 18-21.
6.
Vogt, T., & Stevens, V. (2003). Obesity research: Winning the battle, losing the war. Permanente Journal, 7(3), 11-20.
7.
Wessorick, B. (1995). The closing and opening of a millennium: A journey from old to new thinking. Grandville, MI: Grandville Printing Company.
