Immunotherapy With Depigmented and Polymerized Allergen Extract of Phleum Pratense
Conditions
- Rhinitis, Allergic, Seasonal
- Conjunctivitis, Allergic
- Asthma
Interventions
- BIOLOGICAL: Immunotherapy with modified extract of P. pratense pollen
- OTHER: Placebo
Sponsor
Laboratorios Leti, S.L.