title: A STUDY OF THE Q-1 INTERVAL IN ATRIAL FIBRILLATION WITH AND WITHOUT MITRAL STENOSIS.
mesh_terms: D001161:Arteriosclerosis; D001281:Atrial Fibrillation; D004562:Electrocardiography; D006349:Heart Valve Diseases; D006801:Humans; D006973:Hypertension; D006980:Hyperthyroidism; D008944:Mitral Valve Insufficiency; D008946:Mitral Valve Stenosis; D010701:Phonocardiography
keywords: ARTERIOSCLEROSIS; AURICULAR FIBRILLATION; ELECTROCARDIOGRAPHY; HEART VALVE DISEASES; HYPERTENSION; HYPERTHYROIDISM; MITRAL VALVE INSUFFICIENCY; MITRAL VALVE STENOSIS; PHONOCARDIOGRAPHY