1. Asthma update: pearls you may have missed;Nield;Consult Pediatr,2005
2. Asthma—United States, 1980-1987;National Center for Health Statistics;MMWR Morbid Mortal Wkly Rep,1990
3. Worldwide variations in the prevalence of atopic symptoms: what does it all mean?;Warner;Thorax,1990
4. Asthma mortality and hospitalization among children and young adults—United States, 1980-1993;MMWR Morbid Mortal Wkly Rep,1996
5. Changing prevalence of allergic rhinitis and asthma;Sly;Ann Allerg Asthma Immunol,1999