1. Ring chromosonme D(l 3) associated with multiple congenital malformations;Niebuhr, E.; Ottosen, J.;Ann Genet (Paris),1973
2. Le syndrome du chromosome 13 en anneau;Giraud, F.; Emberger, J.M.; Pinsard, N.; Mattei, J.F.; Mattei, M.G.;Pediatrie,1975
3. Ring chromosome 14 in monozygotic twins;Jalbert, P.; Sele, B.; Jalbert, H.; Siraud, L.; Pison, H.; Couturier, J.;Ann Genet (Paris),1977
4. Formation of a ring chromosome 14 subsequent to the de novo 13/14 reciprocal translocation: a new cytogenetic evidence obtained by the nucleolus-organiser staining;Abe, T.; Misawa, S.; Nishioka, K.; Okuno, T.; Nakagome, Y.;Ann Genet (Paris),1978
5. A familial case of 17R ring shaped chromosome of group E with transmission from father to son;Burden, M.; Lupascu, E.; Margineanu, L.;Rev Med Chir Soc M1ed Nat Iasi,1973