PetEducation.com; Weaning Puppies; Race Foster, DVM Doctors Foster and Smith: Pet Education: Weaning Puppies http://www.peteducation.com/article.cfm?c=2+2108&aid=887 Pet Education: Desmame de filhotes [em inglês] http://www.peteducation.com/article.cfm?c=2+2108&aid=887 http://www.peteducation.com/article.cfm?c=2+2108&aid=887