1. Effect of bromhexine therapy on concentrations of oxytetracycline in the sol phase of sputum;Brogan;Brit. J. clin. Pract.,1972
2. Relation between sputum sol phase composition and diagnosis in chronic chest diseases;Brogan;Thorax,1971
3. Observations on the problems accompanying antibiotic treatment in bronchitis with recurrent infection;Burgi;Arzneimittel-Forsch.,1969
4. The mucolytic agent bromhexine in chronic lung disease;Cobbin,1971
5. Pharmacological studies on a substance with secretory activity;Engelhorn;Arzneimittel-Forsch.,1963