1. Vitamin A deficiency in mongoloid children;Auld;Amer. J. ment. Defic.,1959
2. Congenital absence of permanent teeth in mongols;Barkla;J. ment. Defic. Res.,1966a
3. Age of eruption of permanent teeth in mongols;Barkla;J. ment. Defic. Res.,1966b
4. Some dental manifestations of mongolism;Brown;Oral Surg.,1961
5. Brown , R. H. 1971 Periodontal disease in mongolism D.D.S. Thesis