Paththinige, C.S., Sirisena, N.D., Kariyawasam, U.G.I.U., Saman Kumara L. P. C., Dissanayake, V.H.W. (2016). Ring Chromosome 4 in a Child with Multiple Congenital Abnormalities: A Case Report and Review of the Literature. Case Reports in Genetics. Article ID 4645716; August; pp.1-7. DOI: 10.1155/2016/4645716