title: A STUDY OF TWINS BORN AT DIFFERENT LEVELS OF MATURITY.
mesh_terms: D001290:Attitude; D001519:Behavior; D001724:Birth Weight; D002648:Child; D006128:Growth; D006801:Humans; D007223:Infant; D007234:Infant, Premature; D007361:Intelligence Tests; D007802:Language; D010551:Personality; D002666:Psychology, Child; D013060:Speech; D013803:Thematic Apperception Test; D014427:Twins
keywords: ATTITUDE; BEHAVIOR; BIRTH WEIGHT; CHILD PSYCHOLOGY; GROWTH; INFANT, PREMATURE; INTELLIGENCE TESTS; LANGUAGE; PERSONALITY; SPEECH; THEMATIC APPERCEPTION TEST; TWINS