1. Qualitative survey of New York Hospital emergency room, 1965;Reed;NY State Med,1967
2. Use and misuse of ambulance services by the population using the emergency department at the Hospital of St. Raphael;Webb;Conn Med,1974
3. Health Interview Survey, United States, Table 20;Current Estimates,1975
4. Emergency room problems of an ‘inner core’ city hospital: in-depth analysis of the emergency department, Bon Secours Hospital;Beaven;MD State Med J,1969
5. Health Interview Survey, United States, Table 1;Current,1975