title: Letter: A note on the analysis of disodium cromoglycate (Intal) in human urine.
mesh_terms: D004205:Cromolyn Sodium / Q000652:urine*; D007475:Ion Exchange Resins; D008722:Methods; D014316:Tritium
chemical_list: D007475:Ion Exchange Resins; D014316:Tritium; D004205:Cromolyn Sodium