title: UNUSUAL CAUSES OF OBSTRUCTION AT THE MITRAL VALVE.
mesh_terms: D006328:Cardiac Catheterization; D006332:Cardiomegaly; D002648:Child; D003933:Diagnosis; D006330:Heart Defects, Congenital; D006338:Heart Neoplasms; D006801:Humans; D007223:Infant; D008943:Mitral Valve; D008946:Mitral Valve Stenosis; D009232:Myxoma; D010336:Pathology
keywords: CHILD; DIAGNOSIS; HEART CATHETERIZATION; HEART DEFECTS, CONGENITAL; HEART ENLARGEMENT; HEART NEOPLASMS; INFANT; MITRAL VALVE STENOSIS; MYXOMA; PATHOLOGY