Prevalence of asthma-related symptoms and bronchial responsiveness to exercise in children aged 13-14 yrs in Barcelona, Spain

R.M. Busquets, J.M. Antó, J. Sunyer, N. Sancho, O. Vall
1996 European Respiratory Journal  
doi:10.1183/09031936.96.09102094 pmid:8902472 fatcat:zkoseijah5cp3h4ll4uz2tnadi