title: PTCA catheters now a bargain.
mesh_terms: D015906:Angioplasty, Balloon, Coronary / Q000295:instrumentation*; D002408:Catheters, Indwelling / Q000191:economics*; D003132:Commerce / Q000639:trends; D006331:Heart Diseases / Q000628:therapy*; D006801:Humans; D014481:United States