Ahluwalia, P Nedocromil sodium and levocabastine reduce the symptoms of conjunctival allergen challenge by different mechanisms. [electronic resource] - The Journal of allergy and clinical immunology Sep 2001 - 449-54 p. digital Publication Type: Clinical Trial; Comparative Study; Journal Article; Randomized Controlled Trial; Research Support, Non-U.S. Gov't ISSN: 0091-6749 Standard No.: 10.1067/mai.2001.117591 doi Subjects--Topical Terms: AdultAnti-Allergic Agents--therapeutic useConjunctiva--chemistryConjunctivitis, Allergic--drug therapyE-Selectin--analysisFemaleHistamine--analysisHistamine H1 Antagonists--therapeutic useHumansIntercellular Adhesion Molecule-1--analysisLolium--adverse effectsMaleMiddle AgedNedocromil--therapeutic usePiperidines--therapeutic useProstaglandin D2--analysisTears--chemistryVascular Cell Adhesion Molecule-1--analysis