Summary
A cytogenetic survey of all 588 patients in Strathmont Training Centre, an Australian hospital for the mentally retarded, was carried out. Abnormal karyotypes were found in 90 (15.3%) patients, of whom 73 (12.4%) had clinical Down syndrome, 12 (2.04%) other autosomal abnormalities, and 5 (0.85%) sex chromosome abnormalities.
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Sutherland, G.R., Murch, A.R., Gardiner, A.J. et al. Cytogenetic survey of a hospital for the mentally retarded. Hum Genet 34, 231–245 (1976). https://doi.org/10.1007/BF00295286
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DOI: https://doi.org/10.1007/BF00295286