Obsessive-Compulsive DisorderBMJ 333:424-429, Heyman,I.,et al, 2006
The Behavioral Spectrum of Tic DisordersNeurol 59:414-420, Kurlan,R.,et al, 2002
Phobic Postural VertigoNeurol 46:1515-1519, Brandt,T., 1996