Furbetta M, Falorni A, Antignani P, Cao A
J Med Genet. 1973 Dec;10(4):371-5. doi: 10.1136/jmg.10.4.371.
A family is reported with eight cases of Down's syndrome and four abortions in a sibship. The cytogenetic studies showed that the mother was a (21q21q) translocation carrier. Two living children were examined and were found to be cases of Down's syndrome with a (21q21q) translocation.