title: The treacherous waters of unstable angina pectoris.
mesh_terms: D000319:Adrenergic beta-Antagonists / Q000008:administration & dosage; D000787:Angina Pectoris / Q000175:diagnosis* / Q000188:drug therapy; D002121:Calcium Channel Blockers / Q000008:administration & dosage; D004359:Drug Therapy, Combination; D004509:Education, Nursing, Continuing; D004562:Electrocardiography; D006801:Humans; D008297:Male; D008875:Middle Aged; D009566:Nitrates / Q000008:administration & dosage
chemical_list: D000319:Adrenergic beta-Antagonists; D002121:Calcium Channel Blockers; D009566:Nitrates