title: Directional coronary atherectomy versus balloon angioplasty.
authors.forename: J A
authors.initials: JA
authors.lastname: Bittl
mesh_terms: D015906:Angioplasty, Balloon, Coronary / Q000009:adverse effects; D017225:Atherectomy, Coronary / Q000009:adverse effects; D003327:Coronary Disease / Q000628:therapy*; D006801:Humans