1. Digestion of Living Tissues by Proteolytic Enzymes;Dragstedt;Science,1943
2. Digestion of Slough by Pancreatic Ferment in Treating Severe Burns;Stucke;Chirurg,1949
3. Horowitz: Textbook of Biochemistry.
4. Proteolytic Enzyme in Leucocytes;Husfeldt;Ztschr. f. physiol. Chem,1931
5. Newer Concepts of Inflammation;Menkin,1950