title: Letter: Polyethylene glycol forming a proteolytic band on agar-gel electrophoresis.
mesh_terms: D000328:Adult; D000362:Agar; D004586:Electrophoresis; D006801:Humans; D011092:Polyethylene Glycols / Q000494:pharmacology*; D013048:Specimen Handling; D015043:Zollinger-Ellison Syndrome / Q000652:urine*
chemical_list: D011092:Polyethylene Glycols; D000362:Agar