title: [Coronary ostial stenosis following combined valvular disease operation].
mesh_terms: D000328:Adult; D001024:Aortic Valve Stenosis / Q000209:etiology*; D006801:Humans; D008297:Male; D008944:Mitral Valve Insufficiency / Q000601:surgery*; D011183:Postoperative Complications / Q000209:etiology