title: PHONOCARDIOGRAPHIC STUDY OF CHINESE WITH NORMAL HEART.
mesh_terms: D000293:Adolescent; D044466:Asian People; D001699:Biometry; D006321:Heart; D006801:Humans; D010701:Phonocardiography; D010827:Physiology; D013223:Statistics as Topic
keywords: ADOLESCENCE; MONGOLOID RACE; PHONOCARDIOGRAPHY; PHYSIOLOGY; STATISTICS