Bousquet, J Important research questions in allergy and related diseases: nonallergic rhinitis: a GA2LEN paper. [electronic resource] - Allergy Jul 2008 - 842-53 p. digital Publication Type: Journal Article; Research Support, Non-U.S. Gov't; Review ISSN: 1398-9995 Standard No.: 10.1111/j.1398-9995.2008.01715.x doi Subjects--Topical Terms: Anti-Inflammatory Agents, Non-Steroidal--immunologyAutoimmunityCohort StudiesComorbidityDendritic Cells--immunologyDisease ManagementEuropeGenomicsHumansImmunity, InnateImmunoglobulin E--bloodPhenotypePrevalenceProteomicsRhinitis--epidemiologySinusitis--epidemiologySurveys and QuestionnairesT-Lymphocytes, Regulatory--immunology