Ma Somsouk, Carly Rachocki, Victoria Laleau, Dianne Garcia, Ellen Chen, Barbara Grimes, Eric Vittinghoff, Uri Ladabaum. Mo1631 - Durability of Mailed Fit to Improve Colorectal Cancer Screening in a Randomized Controlled Trial in an Integrated Safety-Net System. Gastroenterology. 2018 May 1; 154(6):s-776.