title: Effect of contaminating proteolytic activity upon insulin and insulin-protamine complex.
mesh_terms: D000818:Animals; D002417:Cattle; D004340:Drug Contamination; D004355:Drug Stability; D004950:Esterases / Q000032:analysis; D006863:Hydrogen-Ion Concentration; D007328:Insulin / Q000032:analysis*; D008970:Molecular Weight; D010447:Peptide Hydrolases / Q000032:analysis*; D011479:Protamines / Q000032:analysis
chemical_list: D007328:Insulin; D011479:Protamines; D004950:Esterases; D010447:Peptide Hydrolases