A prospective randomized study of colonoscopy using blue laser imaging and white light imaging in detection and differentiation of colonic polyps oleh Tiing Leong Ang, James Weiquan Li, Yu Jen Wong, Yi-Lyn Jessica Tan, Kwong Ming Fock, Malcolm Teck Kiang Tan, Andrew Boon Eu Kwek, Eng Kiong Teo, Daphne Shih-Wen Ang, Lai Mun Wang