"10.1016/j.landurbplan.2011.03.006" . "Urban green zones and related pollen allergy: A review. Some guidelines for designing spaces with low allergy impact"^^ . . "101" . "205-214" . "2011"^^ . "10.1016/j.landurbplan.2011.03.006" . . . _:genid1 . _:genid1 . _:genid1 . _:genid1 . _:genid2 . _:genid2 . _:genid2 . _:genid2 . . . . .