How frequently do tuberculosis screening tests convert in inflammatory bowel disease patients on anti-tumour necrosis factor-alpha? A pilot study

1. Bermejo, F.
2. Algaba, A.
3. Chaparro, M.
4. Taxonera, C.
5. Garrido, E.
6. García-Arata, I.
7. Guerra, I.
8. Gisbert, J.P.
9. Olivares, D.
10. de-la-Poza, G.
11. López-Sanromán, A.