Cyclooxygenase-2 gene polymorphisms and susceptibility to colorectal cancer in a Brazilian population - Tomitão, Michele Tatiana Pereira; Nahas, Sergio Carlos; Kubrusly, Marcia Saldanha; Furuya, Tatiane Katsue; Diniz, Marcio Augusto; Marie, Suely Kazue Nagahashi; Safatle-Ribeiro, Adriana Vaz; Eluf-Neto, José; Cecconello, Ivan; Ribeiro Junior, Ulysses (Journal of gastrointestinal oncology, 2017)