Usefulness of the combined IgG and IgA antibody determinations for serodiagnosis of Helicobacter pylori infection

1. Martín-de-Argila, C.
2. Boixeda, D.
3. Cantón, R.
4. Valdezate, S.
5. Mir, N.
6. De Rafael, L.
7. Gisbert, J.P.
8. Baquero, F.