title: Retrograde crossing of stenotic aortic valves.
authors.forename: V K
authors.initials: VK
authors.lastname: Mehan
authors.forename: B V
authors.initials: BV
authors.lastname: Dalvi
authors.forename: P A
authors.initials: PA
authors.lastname: Kale
mesh_terms: D000328:Adult; D001021:Aortic Valve; D001024:Aortic Valve Stenosis / Q000628:therapy*; D002404:Catheterization / Q000379:methods*; D006801:Humans