title: An improved extraction procedure for the liquid chromatographic determination of propranolol and 4-hydroxypropranolol in plasma.
mesh_terms: D002851:Chromatography, High Pressure Liquid / Q000379:methods*; D006801:Humans; D011433:Propranolol / Q000031:analogs & derivatives* / Q000097:blood*
chemical_list: C001422:4-hydroxypropranolol; D011433:Propranolol