<http://schema.org/alternativeHeadline>
"Have your local PETCO and PetSmart store taken dangerous flea tick products off their shelves? NRDC wants to know."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/earth-matters/animals/blogs/give-your-pet-store-an-eco-checkup>