1. Deaths in asthmatics;Cardell;Thorax,1959
2. The pathology of asthma with special reference to changes in the bronchial mucosa;Dunnill;J Clin Pathol,1960
3. Mucus as a contributing factor;Reid,1978
4. Pathologic alterations in mucus in asthma within and without the cell;Keal,1975
5. Pathological changes in asthma;Lopez-Vidriero,1983