The discovery of insulin.
Herrington
G M
GM
D002170:Canada; D003922:Diabetes Mellitus, Type 1 / Q000188:drug therapy / Q000266:history*; D049672:History, 19th Century; D049673:History, 20th Century; D007328:Insulin / Q000266:history*; D014481:United States
D007328:Insulin