title: Recanalization of occluded left main coronary artery in unstable angina pectoris.
mesh_terms: D000787:Angina Pectoris / Q000628:therapy*; D000789:Angina, Unstable / Q000000981:diagnostic imaging / Q000628:therapy*; D000800:Angioplasty, Balloon; D017023:Coronary Angiography; D003331:Coronary Vessels; D006801:Humans; D008297:Male; D008875:Middle Aged