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ambrosia artemisiifolia pollen OR ulmus americana pollen OR acer ... (6167)
ambrosia artemisiifolia pollen OR ulmus americana pollen OR acer rubrum pollen OR betula lenta pollen OR amaranthus retroflexus pollen OR cary tomentosa pollen OR quercus virginia a pollen OR quercus rubra pollen OR betula popul folia pollen OR ambrosia trifida pollen OR canis lupus familiarise hair OR festuca pratense pollen OR lolium perenne pollen OR rumen crisps pollen OR betula occidentalis pollen OR betula alleganiensis pollen OR juglans nigra pollen OR cynodon dactylon pollen OR phleum pratense pollen OR carya illinoinensis pollen OR house dust OR felis catus hair OR plantago lanceolata pollen OR acer saccharin pollen OR betula nigra pollen OR dermatophagoides farinae OR dermatophagoides pteronyssinus OR kochi scoparia pollen OR betula papyrifera pollen OR periplaneta americana OR populus deltoides pollen OR platanus occidentalis pollen OR chenopodium album pollen OR rumen acetosella pollen OR iva annual var. annual pollen OR quercus alba pollen OR fraxinus american pollen OR salsola kali pollen OR iva xanthi folia pollen OR acer saccharum pollen
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