Genetic instability in gastric cancer and its relation with possible alterations on the hmsh2 gene - Uchoa, R A; Medeiros, A C; Sanches, S M; Knopfler, R; Sabbaga, Jorge; Brentani, Maria Mitzi (Reuniao Anual da Sociedade Brasileira de Bioquimica e Biologia Molecular, 1995)