Butler, M. G., Hedges, L. K., Rogan, P. K., Seip, J. R., Cassidy, S. B., & Moeschler, J. B. (1997). Klinefelter and Trisomy X Syndromes in Patients With Prader-Willi Syndrome and Uniparental Maternal Disomy of Chromosome 15—A Coincidence? Am J Med Genet.

Butler, Merlin G., Lora K. Hedges, Peter K. Rogan, James R. Seip, Suzanne B. Cassidy, e John B. Moeschler. "Klinefelter and Trisomy X Syndromes in Patients With Prader-Willi Syndrome and Uniparental Maternal Disomy of Chromosome 15—A Coincidence?" Am J Med Genet 1997.

Butler, Merlin G., et al. "Klinefelter and Trisomy X Syndromes in Patients With Prader-Willi Syndrome and Uniparental Maternal Disomy of Chromosome 15—A Coincidence?" Am J Med Genet 1997.