1. Insulin, Its Chemistry and Physiology;Jensen,1938
2. Studies on Crystalline Insulin; The Isolation of Crystalline Insulin From Fish Islets (Cod and Pollock) and From Pig's Pancreas; Activity of Crystalline Insulin and Further Remarks on Its Preparation;Jensen;J. Pharmacol. & Exper. Therap,1929
3. Action of Various Reagents on Insulin;Jensen;J. Biol. Chem,1936
4. The Chemical Study of Insulin;Jensen;Science,1932
5. Crystalline Insulin;Abel,1926