http://www.helium.com/knowledge/261232-how-to-introduce-a-dog-into-a-multi-cat-household.xml Helium.com > Pet Ownership > How to introduce a dog into a multi-cat household en-us Copyright Helium.com Wed, 23 Sep 2009 20:37:18 GMT Wed, 23 Sep 2009 20:37:18 GMT