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2. Anasthetische Wirkung an Lungendeknungs-rezeptoren und anderen nervosen Substraten; zur Pharmakologie des Tessalon;Bein;Helvet. physiol, et pharmacol. acta,1957
3. Comparative Pharmacology of d-, dl- and l-Dromoran and Related Ether Derivatives;Benson;Fed. Proc.,1952
4. Biekerman, H. A.: Unpublished data.
5. Cough Response of Healthy Human Subjects Stimulated by Citric Acid Aerosol. Part II: Evaluation of Antitussive Agents;Bickerman;Am. J. M. Sc.,1957