1. A systems approach to statewide emergency medical care;Boyd;J Trauma,1973
2. A symposium on the Illinois trauma program: a systems approach to the care of the critically injured;Boyd,1973
3. Regionalization of trauma patient care: The Illinois experience;Boyd,1975
4. The Illinois trauma system: changes in patient survival patterns following vehicular injuries;Mullner;JACEP,1977
5. Emergency medical services: regionalizing intents and localizing efforts;Gibson,1977