Efficiency in patch testing: the number needed to test to get one relevant result as a new approach in the evaluation of baseline series

1. García-Gavín, J.
2. Mercader, P.
3. Descalzo, M.A.
4. Garcia-Doval, I.
5. Silvestre, J.F.
6. Sánchez-Pérez, J.
7. Fernández-Redondo, V.
8. Armario-Hita, J.C.
9. Ruiz-González, I.
10. Giménez Arnau, A.