1. Global burden of asthma, an estimate of incidence, remission, and prevalence;Mahapatra,1993
2. Impact of childhood asthma on health;Taylor;Pediatrics,1992
3. Morbidity and school absence caused by asthma and wheezing illness;Anderson;Arch Dis Child,1983
4. 1989/1990 National Health Survey: Asthma and Other Respiratory Conditions;Australian Bureau of Statistics,1991
5. School functioning of U.S. children with asthma;Fowler;Pediatrics,1992