1. On the Mechanism of Cough;Bucher;Helvet. physiol. et pharmacol. acta,1951
2. Ciba Pharmaceutical Products, Inc.: Unpublished Data.
3. Tessalon, a Cough Sedative With a New Type of Mechanism of Action;Bucher;Schweiz. med. Wchnschr,1956
4. Polyethylene-clycol Derivatives With Cough Sedating Effect, With Special Reference to Tessalon;Herzog;Schweiz. med. Wchnschr,1956
5. Clinical Studies With a New Cough Remedy;Naugeli;Praxis,1956