title: [Application of a new operative procedure for the congenital aortic valvular ring stenosis].
mesh_terms: D000293:Adolescent; D001021:Aortic Valve / Q000601:surgery*; D001024:Aortic Valve Stenosis / Q000151:congenital / Q000601:surgery*; D006801:Humans; D008297:Male; D008722:Methods