TI - Insulin: Its chemistry and physiology PT - JOUR DP - 1939 TA - Journal of the American Medical Association pages = {1530}, VI - 112 IP - 15 AID - 10.1001/jama.1939.02800150102025 [doi] 4100 - http://dx.doi.org/10.1001/jama.1939.02800150102025 SO - Journal of the American Medical Association April 15, 1939 112(15):1530