1. Pain, Placebos and Physicians;Beecher H. K.;Practitioner,1962
2. The Effect of a Derivative of Vasicine on Bronchial Mucus;Bruce R. A.;Brit. J. clin. Pract.,1968
3. MUCOPROTEINS AND SPUTUM VISCOSITY
4. The Pharmacological Investigation of a Substance with Mucolytic Properties;Engelhorn R.;Arzneimittel‐Forsch.,1963