title: The fifty-year-old insulin.
mesh_terms: D000818:Animals; D002170:Canada; D002621:Chemistry; D003920:Diabetes Mellitus / Q000188:drug therapy / Q000209:etiology; D003928:Diabetic Nephropathies / Q000209:etiology; D003930:Diabetic Retinopathy / Q000209:etiology; D006168:Guinea Pigs; D049673:History, 20th Century; D006801:Humans; D007118:Immunoassay; D007328:Insulin / Q000266:history / Q000302:isolation & purification / Q000627:therapeutic use; D007330:Insulin Antibodies; D007333:Insulin Resistance; D011384:Proinsulin; D012383:Romania
chemical_list: D007328:Insulin; D007330:Insulin Antibodies; D011384:Proinsulin