Double-blind and placebo-controlled study to assess efficacy and safety of a modified allergen extract of Dermatophagoides pteronyssinus in allergic asthma

1. Ameal, A.
2. Vega-Chicote, J.M.
3. Fernández, S.
4. Miranda, A.
5. Carmona, M.J.
6. Rondón, M.C.
7. Reina, E.
8. García-González, J.J.