title: Plasma levels of beta-blocking drugs prior to coronary artery bypass surgery.
mesh_terms: D000328:Adult; D000368:Aged; D002851:Chromatography, High Pressure Liquid; D001026:Coronary Artery Bypass; D004305:Dose-Response Relationship, Drug; D005260:Female; D006801:Humans; D008297:Male; D008790:Metoprolol / Q000008:administration & dosage / Q000097:blood*; D008875:Middle Aged; D011433:Propranolol / Q000008:administration & dosage / Q000097:blood*; D013997:Time Factors
chemical_list: D011433:Propranolol; D008790:Metoprolol