Um, C. Y., Prizment, A., Hong, C., Lazovich, D., & Bostick, R. M. (2018). Associations of Calcium, Vitamin D, and Dairy Product Intakes with Colorectal Cancer Risk Among Older Women: The Iowa Women’s Health Study. Nutr Cancer.

Um, Caroline Y., Anna Prizment, Ching-Ping Hong, DeAnn Lazovich, και Roberd M. Bostick. "Associations of Calcium, Vitamin D, and Dairy Product Intakes With Colorectal Cancer Risk Among Older Women: The Iowa Women’s Health Study." Nutr Cancer 2018.

Um, Caroline Y., et al. "Associations of Calcium, Vitamin D, and Dairy Product Intakes With Colorectal Cancer Risk Among Older Women: The Iowa Women’s Health Study." Nutr Cancer 2018.