title: Effects of metoprolol on digitalis-resistant atrial tachyarrhythmias in chronic obstructive pulmonary disease.
mesh_terms: D000368:Aged; D004070:Digitalis; D004359:Drug Therapy, Combination; D005260:Female; D006339:Heart Rate / Q000187:drug effects; D006801:Humans; D008173:Lung Diseases, Obstructive / Q000150:complications*; D008297:Male; D008790:Metoprolol / Q000494:pharmacology / Q000627:therapeutic use*; D008875:Middle Aged; D010042:Ouabain / Q000627:therapeutic use; D010946:Plants, Medicinal; D010947:Plants, Toxic; D013610:Tachycardia / Q000188:drug therapy* / Q000209:etiology; D014700:Verapamil / Q000627:therapeutic use
chemical_list: D010042:Ouabain; D014700:Verapamil; D008790:Metoprolol