1. GM Landsberg, W Hunthausen, L Ackerman, GM Landsberg, W Hunthausen, and L Ackerman .Pharmacological intervention in behavioral therapy . In: eds.Handbook of behavior problems of the dog and cat.2nd ed. Edinburgh:Saunders,2003 ;117 -151 .
2. Separation anxiety syndrome in dogs and cats
3. MA Fuller, and M Sajatovic .Drug information handbook for psychiatry.6th ed. Hudson, Ohio:Lexi-Comp Inc,2007 ;419 -423 .