title: The use of liquid cation exchange in the extraction and separation of ( 14 C)neostigmine iodide and its metabolite ( 14 C)3-hydroxyphenyltrimethylammonium iodide from body fluids.
mesh_terms: D002247:Carbon Isotopes; D007454:Iodides / Q000097:blood / Q000652:urine; D007474:Ion Exchange; D009388:Neostigmine / Q000097:blood / Q000302:isolation & purification* / Q000652:urine; D000644:Quaternary Ammonium Compounds / Q000097:blood / Q000302:isolation & purification* / Q000652:urine
chemical_list: D002247:Carbon Isotopes; D007454:Iodides; D000644:Quaternary Ammonium Compounds; D009388:Neostigmine