title: The use of proteolytic enzymes to release high levels of drugs from biological materials submitted for toxicological analysis.
mesh_terms: D006801:Humans; D010447:Peptide Hydrolases; D004364:Pharmaceutical Preparations / Q000032:analysis*; D014116:Toxicology / Q000379:methods*
chemical_list: D004364:Pharmaceutical Preparations; D010447:Peptide Hydrolases