Histopathological study versus detection of K-RAS point mutation in hamster experimental pancreatic cancer model is the sensivity higher by using PCR/RFLP analysis? - Morioka, Cintia Yoko; Machado, Marcel Cerqueira César; Saito, Seiji; Godoy, Renato Soares de; Matheus, André Siqueira; Souza, Lourenilson José de; Jukemura, José; Kubrusly, Márcia Saldanha; Bacchella, Telesforo (Annual meeting pancreas club, 2004)