1. Congenital malformations associated with a ring 4 chromosome;Carter, R.; Baker, E.; Hayman, D.;Journal of Medical Genetics,1969
2. A ring B chromosome in a female with multiple skeletal abnormalities. Birth Defects: Original Article;Dallaire, L.;Series,1969
3. Chromosome abnormalities in two cases with bilateral radial element defects;Faed, M.; Stewart, A.; Keay, A.J.;Journal of Medical Genetics,1969
4. Ring-4 chromosome: Ring autosomes, Lorelei of clinical-karyotype correlation and deletion mapping;Hecht, F.,1969
5. Defects: Original Article Series;York. Kistenmacher, M.L.; Punnett, H.H.;American J7ournal of Human Genetics; The National Foundation-March of Dimes,1970