Comparative study between seric I pepsinogen and seric gastrin, in the differentiation of the different types and localizations of chronic gastritis

1. Sánchez Rodríguez, A.
2. Martín Oterino, J.A.
3. Chimpen Ruiz, V.
4. Alonso Hernández, P.
5. Araoz Sánchez, P.
6. Portugal Alvarez, J.