Aortitis, Aortic Valve Incompetence, and Left Coronary Ostium Stenosis in a Patient with C-ANCA-Associated Necrotizing Vasculitis - Morshuis, W J; Zeebregts, C J A M; Haanen, H C M; Elbers, J R J; Ernst, J M P G; Vermeulen, F E E (The Thoracic and Cardiovascular Surgeon, 1997)