title: Percutaneous intra-aortic balloon pumping: new problems and dilemmas.
mesh_terms: D001157:Arterial Occlusive Diseases / Q000000981:diagnostic imaging; D001243:Assisted Circulation / Q000009:adverse effects / Q000706:statistics & numerical data*; D017023:Coronary Angiography; D006801:Humans; D007423:Intra-Aortic Balloon Pumping / Q000009:adverse effects / Q000379:methods / Q000706:statistics & numerical data*