@book{176973,
	author = {Greenhalgh, Trisha. and ebrary, Inc.},
	title = {How to read a paper},
	publisher = {BMJ,},
	year = {2000.},
	address = {London :},
	edition = {2nd ed.},
	note = {Previous ed.: 1997.},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10033049}
}