1. Partial trisomy 21;Aula, P.; Leisti, J.; Von Koskull, H.;Clinical Genetics,1973
2. Down syndrome due to partial trisomy 21q;Cervenka, J.; Gorlin, R.J.; Djavadi, G.R.;Clinical Genetics,1977
3. Structure and inheritance of some heterozygous Robertsonian translocations in man;Daniel, A.; Lam-Po-Tang, P.R.L.C.;Journal of Medical Genetics,1976
4. Partial trisomy 21, further evidence that trisomy of band 21q22 is essential for Down's phenotype;Hagemeijer, A.; Smit, E.M.E.;Human Genetics,1977
5. Downs' syndrome;Niebuhr, E.;Humangenetik,1974