1. Aula PJ, Leisti J, von Kuskull H (1973) Partial trisomy 21. Clin Genet 4: 241–251
2. Baeteman MA, Baret A, Courtiere A, Rebuffel P, Mattei JF (1983) Immunoreactive Cu-SOD and Mn-SOD in lymphocytes sub-populations from normal and trisomy 21 subjects according to age. Life Sci 32: 895–902
3. Birth defects: original article series;Baltimore Conference,1975
4. Cantu JM, Hernandez A, Plasencia L, Vaca G, Moller M, Rivera H (1980) Partial trisomy and monosomy 21 in an infant with an unusual de novo 21/21 translocation. Ann Genet 23: 183–186
5. Cervenka J, Gorlin RJ, Djavadi GR (1977) Down syndrome due to partial trisomy 21q. Clin Genet 11: 119–121