Beta testing.
D000319:Adrenergic beta-Antagonists / Q000627:therapeutic use*; D000787:Angina Pectoris / Q000188:drug therapy; D000075202:Contraindications; D006801:Humans; D006973:Hypertension / Q000188:drug therapy; D029424:Pulmonary Disease, Chronic Obstructive / Q000188:drug therapy
D000319:Adrenergic beta-Antagonists