Two Formulations and Concentrations of Epinastine Nasal Spray Versus Azelastine Nasal Solution for Allergic Rhinitis [clinicaltrials:NCT01382654]

Two Formulations and Concentrations of Epinastine Nasal Spray Versus Azelastine Nasal Solution for Allergic Rhinitis [clinicaltrials:NCT01382654]