[Adherence to Repeat Screening Flexible Sigmoidoscopy in the Prostate, Lung Colorectal, and Ovarian (PLCO) Cancer Screening Trial]

Weissfeld JL, Ling BL, Schoen RE, Breaslier RS, Riley T, Prorok PC, PLCo Project Team. [Adherence to Repeat Screening Flexible Sigmoidoscopy in the Prostate, Lung Colorectal, and Ovarian (PLCO) Cancer Screening Trial.] Cancer 2002 May15;94(10):2569-76