1. Congenital facial abnormalities with neurologic defects;Aita,1969
2. Down's syndrome, Mongolism and its management;Benda,1969
3. Some dental manifestations of Mongolism;Brown;Oral Surg.,1961
4. Roentgenological findings in Mongolism;Clift;Am. J. Roentgenol.,1922
5. Dentofacial phenotype with different karyotypes in Mongolism;Davis,1965