1. An overview of pediatric trauma;Haller,1978
2. Newer concepts in emergency care of children with major injuries;Haller;Md State Med J,1973
3. Accidental death and disability: the neglected disease of modern society,1966
4. Creating pediatric trauma systems;Harris;J Pediatr Surg,1989
5. EMS-C Pin urban and rural areas: the California experience;Seidel,1989