Evaluation of cell proliferation and apoptosis in gastric epithelium of rats under corticosterone treatment - Moraes, J C B; Jordão, L R; Gama, Patrícia; Goldfeder, Eliane Maria; Alvares, Eliana Parisi (Simpósio das Sociedades Brasileiras de Microscopia e Microanálise e de Biologia Celular, 1998)