1. “Action of the Diaphragm in Cough. Experimental and Clinical Study on the Human,”;Coryllos;Am. J. Med. Sci.,1937
2. “The Mechanics of Cough,”;Rohrer;Schweiz. med. Wchnschr.,1921
3. “Peroral Pulmonary Drainage, Natural and Therapeutic, with Special Reference to the “Tussive Squeeze,”;Jackson;Am. J. Med. Sci.,1933
4. “Emphysema of the Lungs,”;Christie;Brit. M. J.,1944
5. “Applied Pharmacology,”;Clark,1938