@book{176877,
	author = {MARTINEZ, D. and ET AL.},
	title = {EXCESSIVE SEDENTARY TIME AND LOW CARDIORESPIRATORY FITNESS IN EUROPEAN ADOLESCENTS: THE HELENA STUDY},
	url = {\\Srvdatos\siis\docus\Revistas electrónicas\Archives of Disease in Childhood R.186\2011\Excessive sedentary time and low cardiorespiratory.pdf}
}