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• acer negundo pollen OR acer rubrum pollen OR acer saccharin polle... (1128)
  acer negundo pollen OR acer rubrum pollen OR acer saccharin pollen OR acer saccharum pollen OR alternaria alternate OR amaranthus retroflexus pollen OR ambrosia artemisiifolia pollen OR ambrosia trifida pollen OR anas platyrhynchos feather OR answer answer feather OR aspergillus fumigatus OR aureobasidium pullulans var. pollutants OR bassi scoparia pollen OR betula alleganiensis pollen OR betula lenta pollen OR betula nigra pollen OR betula occidentalis pollen OR betula papyrifera pollen OR betula popul folia pollen OR candida albicans OR canis lupus familiarise hair OR carya illinoinensis pollen OR cary tomentosa pollen OR chenopodium album pollen OR cladosporium cladosporioides OR cochliobolus sativus OR cyclachaena xanthi folia pollen OR cynodon dactylon pollen OR dermatophagoides farinae OR dermatophagoides pteronyssinus OR felis catus hair OR fraxinus american pollen OR gallus gallus feather OR iva annual pollen OR juglans nigra pollen OR juniperus virginia a pollen OR lolium perenne pollen OR borus alba pollen OR penicillium chrysogenum var. chrysogenum OR periplaneta americana OR phrma destructive OR plantago lanceolata pollen OR platanus occidentalis pollen OR pleurospora herbarium OR poa pratense pollen OR populus deltoides pollen OR quercus alba pollen OR quercus rubra pollen OR quercus virginia a pollen OR rhizopus stolonifera OR rumen acetosella pollen OR salsola kali pollen OR sorghum halepense pollen OR sporisorium cruentus OR ulmus americana pollen OR urtica dioica pollen OR ustilago avenue OR ustilago cynodontis OR ustilago maydis OR ustilago nuda horder OR ustilago tritici

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