@inbook {22351,
	title = {Severe OCD},
	booktitle = {International Encyclopedia of Cognitive Behavior Therapy},
	year = {2005},
	publisher = {Kluwer},
	organization = {Kluwer},
	url = {http://pluto.huji.ac.il/ huppertj/Severe_OCD.pdf},
	author = {Huppert, J.D. and Foa, E.B.}
}
