forty outpatients suffering from angina pectoris due to coronary artery disease and concomitant reversible . chronic obstructive bronchitis were treated with the beta1-selective beta-blockers atenolol ( 50 mg ) and bisoprolol ( 5 mg ) for 6 months in each case , following a randomized , double-blind crossover study design .
C0002962
angina pectoris
C0053799
bisoprolol