1. Current estimates from the National Health Interview Survey, 1995;Benson V;Vital Health Stat,1998
2. Detailed diagnoses and procedures, National Hospital Discharge Survey, 1996;Graves EJ;Vital Health Stat,1998
3. Ambulatory care visits to physician offices, hospital outpatient departments, and emergency departments: United States, 1996;Schappert SM;Vital Health Stat,1998
4. Jack E Boss L Millington W. Asthma: A Speakers Kit for Public Health Professionals. Atlanta GA:Centers for Disease Control and Prevention 1999.
5. Surveillance for asthma-United States, 1960-1995;Mannino DM;Morb Mortal Wkly Rep,1998