TY - RPRT TI - A study of performance differences on the Cattell infant intelligence scale between matched groups of organic and mongoloid subjects. AU - A M KRALOVICH PY - 1959 DO - 10.1002/1097-4679(195904)15:2<198::aid-jclp2270150223>3.0.co;2-5 UR - https://pubmed.ncbi.nlm.nih.gov/13631114/ ID - 13631114 ER -