Detection of Helicobacter pylori and the genotypes of resistance to clarithromycin and the heterogeneous genotype to this antibiotic in biopsies obtained from symptomatic children

1. Aguilera-Correa, J.J.
2. Urruzuno, P.
3. Barrio, J.
4. Martinez, M.J.
5. Agudo, S.
6. Somodevilla, A.
7. Llorca, L.
8. Alarcón, T.