Nancy K. CookMs. Cook is vice president, Technical and Regulatory Affairs for the Pet Food Institute. She can be reached at Tel: +1.202.367.1120, E-mail: [email protected], Website: www.petfoodinstitute.org.From the AuthorNutritionViewpoint: Deficiencies and difficultiesNew NRC guide fails to make the grade for PFIPage 1 of 1