@book{61159,
	author = {World Health Organization.},
	title = {Health research methodology},
	publisher = {WHO Regional Office for the Western Pacific,},
	year = {2001.},
	address = {Manila, Philippines :},
	edition = {2nd ed.},
	note = {Includes index.},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10306283}
}