1. Verma IC, Malhotra AK. Cytogenetic profile of Down's syndrome in Indian.Indian J Med Res 1979;69: 147
2. Krishna Murthy DS, Patel ZM, Khanna SA, Danth, V, Ambani LM. Frequency of trisomy 21, translocation, mosaicism and familial cases of Down's syndrome in Bombay,Indian J Med Res 1981;73: 218
3. Ambani LM, Patel ZM, Dhareshwar SS, Krishna Murthy DS, Moghe MS, Mulye VR, Gokran VV, Peter JJ, Shah LP, Merchant SM. Clinical, biochemical and cytogenetic studies in mental retardation.Indian J Med Res 1984;79: 384
4. Hungerford DA. Leucocyte cultures from small inocula of blood and preparation of metaphase chromosomes by treatment with hypotonic KCl.Stain Tech 1965;40: 333
5. Sun NC, Chu EHU, Chung CC. Staining method for banding pattern of human mitotic chromosomes.Caryologia 1974;27: 315