@book{27467,
	author = {Whaley, Mitchell H.,},
	title = {ACSM's guidelines for exercise testing and prescription.},
	publisher = {Lippincott Williams & Wilkins,},
	year = {2006.},
	address = {Philadelphia, Pa. :},
	edition = {7th ed.},
	url = {http://www.loc.gov/catdir/enhancements/fy0712/2004057756-d.html}
}