title: Does use of a vascular introducer sheath obviate need for catheter exchanges over a guidewire?
authors.forename: J H
authors.initials: JH
authors.lastname: Grollman
authors.forename: R B
authors.initials: RB
authors.lastname: Hoffman
mesh_terms: D000790:Angiocardiography / Q000295:instrumentation; D000792:Angiography / Q000295:instrumentation; D006328:Cardiac Catheterization / Q000295:instrumentation / Q000379:methods*; D017023:Coronary Angiography; D006801:Humans