Pet Pals dogs provide emotional support to patients and their families. Since the program began in 1996, Pet Pals dogs have visited over 12,000 pediatric patients. The efficacy of the program is documented in Children's Health Care, Fall 2002, Vol. 31, No. 4 (Play and Pets: The Physical and Emotional Impact of Child-Life and Pet Therapy on Hospitalized Children) by Mary Kaminski, Teresa Pellino and Joel Wish.