title: A CLINICAL AND FAMILY STUDY OF CHINESE MONGOL CHILDREN.
mesh_terms: D000293:Adolescent; D044466:Asian People; D001722:Birth Order; D002648:Child; D002681:China; D004314:Down Syndrome; D005190:Family; D006801:Humans
keywords: ADOLESCENCE; BIRTH ORDER; CHILD; CHINA; FAMILY; MONGOLISM; MONGOLOID RACE