title: An improved gas-liquid chromatographic method for determining practolol in plasma and urine.
mesh_terms: D002849:Chromatography, Gas / Q000295:instrumentation / Q000379:methods*; D006801:Humans; D013058:Mass Spectrometry; D011217:Practolol / Q000032:analysis* / Q000097:blood / Q000652:urine; D011433:Propranolol / Q000032:analysis
chemical_list: D011433:Propranolol; D011217:Practolol