1. A case of trisomy 9;Feingold, M.; Atkins, L.;journal of Medical Genetics,1973
2. mosaicism with multiple congenital anomalies;Haslam, R.H.; Broske, S.P.; Moore, C.M.; Thomas, G.H.; Neill, C.A.;Trisomy,1973
3. Presumed trisomy for short arm of chromosome;Hoehn, H.; Engel, W.; Reinwein, H.;Humangenetik,1971
4. Case report This child, a boy of birthweight 1730 g, was born by spontaneous vertex delivery at 36 weeks' gestation after an uneventful pregnancy. Incubator care was required until 2 months of age; he was discharged at 3 months weighing 2250 g. Subsequent clinic attendances showed developmental milestones to be greatly delayed
5. Abnormal chromosome and chromosome 9 from nine different cells, a. stained with Giemsa without pretreatment; b. stained by trypsin/giemsa technique (Seabright, 1971); c. stained by Gll technique (Bobrow et al, 1972); d. diagrammatic representation of G-bands. Arrowheads indicate duplicated segment;2, FiG.