Levis, D. M., Harris, S., Whitehead, N., Moultrie, R., Duwe, K., & Rasmussen, S. A. (2012). Women's Knowledge, Attitudes, and Beliefs About Down Syndrome: A Qualitative Research Study. Am J Med Genet A.

Levis, Denise M., Shelly Harris, Nedra Whitehead, Rebecca Moultrie, Kara Duwe, και Sonja A. Rasmussen. "Women's Knowledge, Attitudes, and Beliefs About Down Syndrome: A Qualitative Research Study." Am J Med Genet A 2012.

Levis, Denise M., et al. "Women's Knowledge, Attitudes, and Beliefs About Down Syndrome: A Qualitative Research Study." Am J Med Genet A 2012.