title: [56 CASES OF OPERATED MITRAL STENOSIS--A FOLLOW-UP STUDY].
mesh_terms: D006348:Cardiac Surgical Procedures; D005500:Follow-Up Studies; D006801:Humans; D008946:Mitral Valve Stenosis; D009026:Mortality; D013903:Thoracic Surgery
keywords: HEART SURGERY; MITRAL VALVE STENOSIS; MORTALITY
vernacular_title: 56 OPERERADE MITRALISSTENOSER-- EN EFTERUNDERSOEKNING.