@book{91423,
	author = {Clark, M. R. and ebrary, Inc.},
	title = {Pain and depression},
	publisher = {Karger,},
	year = {c2004.},
	series = {Advances in psychosomatic medicine,},
	address = {Basel ;},
	url = {http://site.ebrary.com/lib/strathmore/Doc?id=10070302}
}