Otto P G, Toledo S, Richieri-Costa A, Otto P A, Vianna-Morgante A M, Kasahara S
Hum Genet. 1978 Apr 24;41(3):243-50. doi: 10.1007/BF00284757.
Two patients are described with a monosomy for the proximal part of the long are of chromosome 13 and for the distal part of the long arm of chromosome 21, due to an unbalanced 13/21 translocation.