1. Ambulatory care visits to physician offices, hospital outpatient departments, and emergency departments: United States, 1999–2000;Burt;Vital Health Stat,2004
2. Ambulatory care visits to physician offices, hospital outpatient departments, and emergency departments: United States, 2001–02;Schappert;Vital Health Stat,2006
3. A comparison of gender differences in health-related quality of life in acute and chronic coughers;French;Chest,2005
4. Chronic idiopathic cough: a discrete clinical entity?;Haque;Chest,2005
5. A comparison of objective and subjective measures of cough in asthma;Marsden;J Allergy Clin Immunol,2008