1. The syndrome of the metacentric microchromosome;Abbo;Helv. paediat. Acta.,1970
2. Report of five unrelated patients with a small, metacentric, extra chromosome or fragment;Borgaonkar;J. Génét. hum.,1971
3. Autosomal deletion syndrome 46, XX,18p-: A new case report with absence of IgA in serum;Fischer;J. med. Genet.,1970
4. Chromosome 18 abnormalities in a family with a translocation t(18p-, 21p +);Jacobsen;J. ment. Defic. Res.,1968