title: Effect of a new adrenergic beta-blocking agent, H 56-28, on nervous heart complaints.
mesh_terms: D000293:Adolescent; D000328:Adult; D001007:Anxiety / Q000188:drug therapy; D001794:Blood Pressure; D002986:Clinical Trials as Topic; D004562:Electrocardiography; D005080:Exercise Test; D005260:Female; D006339:Heart Rate; D006801:Humans; D008111:Liver Function Tests; D008297:Male; D008875:Middle Aged; D010919:Placebos; D012146:Rest; D013565:Sympatholytics / Q000009:adverse effects / Q000627:therapeutic use*; D013610:Tachycardia / Q000188:drug therapy*
chemical_list: D010919:Placebos; D013565:Sympatholytics