1. Nubbin, a compound chromosomal type in Datura;Balaskelee;Ann. New York Acad. Sci.,1927
2. Duplications;Bridges;Anat. Rec.,1919
3. Trisomic Cp: Un nouveau syndrome;Cantu;Ann. Genet.,1971
4. The trisomy 9p syndrome;Centerwall;Pediat.,1975
5. Trisomy 9q-. A variant of the 9p syndrome;Centerwall;Humangenetik,1975