1. The needle is like an animal;Lewis;Children Today,1978
2. The experience of pain in children;Eland,1977
3. School-aged children's perception of stress in the hospital;Menke;Children's Health Care,1981
4. The incidence of postoperative pain in children;Mather;Pain,1983
5. The undertreatment of pain in children: an overview;Schechter;Pediatr Clin North Am,1989