Vara, A Fraxinus pollen and allergen concentrations in Ourense (South-western Europe). [electronic resource] - Environmental research May 2016 - 241-8 p. digital Publication Type: Journal Article; Research Support, Non-U.S. Gov't ISSN: 1096-0953 Standard No.: 10.1016/j.envres.2016.02.014 doi Subjects--Topical Terms: Air Pollutants--analysisAllergens--analysisAntigens, Plant--analysisEnvironmental MonitoringFraxinus--immunologyPlant Proteins--analysisPollen--immunologyRhinitis, Allergic, Seasonal--epidemiologySeasonsSpainWeather