Clayton-Smith, J., Webb, T., Cheng, X. J., Pembrey, M. E., & Malcolm, S. (1993). Duplication of chromosome 15 in the region 15q11-13 in a patient with developmental delay and ataxia with similarities to Angelman syndrome.

Clayton-Smith, J., T. Webb, X J. Cheng, M E. Pembrey, và S. Malcolm. Duplication of Chromosome 15 in the Region 15q11-13 in a Patient With Developmental Delay and Ataxia With Similarities to Angelman Syndrome. 1993.

Clayton-Smith, J., et al. Duplication of Chromosome 15 in the Region 15q11-13 in a Patient With Developmental Delay and Ataxia With Similarities to Angelman Syndrome. 1993.