You have accessRestricted access
Symptoms related to asthma and chronic bronchitis in three areas of Sweden
E Bjornsson, P Plaschke, E Norrman, C Janson, B Lundback, A Rosenhall, N Lindholm, L Rosenhall, E Berglund, G Boman
European Respiratory Journal 7 (12) 2146-2153; DOI: 10.1183/09031936.94.07122146 Published 1 December 1994
Comment