@book{222946,
	author = {Levy, Judith A.},
	title = {Social networks and health},
	publisher = {JAI,},
	year = {2002.},
	series = {Advances in medical sociology,},
	address = {Amsterdam ;},
	edition = {1st ed.},
	url = {http://www.emeraldinsight.com/1057-6290/8}
}