title: Valve prosthesis-patient mismatch.
mesh_terms: D000293:Adolescent; D000367:Age Factors; D001021:Aortic Valve / Q000601:surgery*; D002648:Child; D006350:Heart Valve Prosthesis / Q000592:standards*; D006801:Humans; D011474:Prosthesis Design; D013019:South Africa