Peterson, N. B., Murff, H. J., Fowke, J. H., Cui, Y., Hargreaves, M., Signorello, L. B., & Blot, W. J. (2007). Use of Colonoscopy and Flexible Sigmoidoscopy Among African Americans and Whites in a Low-Income Population. Centers for Disease Control and Prevention.

Peterson, Neeraja B., Harvey J. Murff, Jay H. Fowke, Yong Cui, Margaret Hargreaves, Lisa B. Signorello, and William J. Blot. Use of Colonoscopy and Flexible Sigmoidoscopy Among African Americans and Whites in a Low-Income Population. Centers for Disease Control and Prevention, 2007.

Peterson, Neeraja B., et al. Use of Colonoscopy and Flexible Sigmoidoscopy Among African Americans and Whites in a Low-Income Population. Centers for Disease Control and Prevention, 2007.