title: Coronary angioplasty in refractory unstable angina.
mesh_terms: D000787:Angina Pectoris / Q000628:therapy*; D000789:Angina, Unstable / Q000628:therapy*; D000800:Angioplasty, Balloon; D001241:Aspirin / Q000627:therapeutic use; D003331:Coronary Vessels; D006801:Humans
chemical_list: D001241:Aspirin