@article{Bergmann2020,
author = {Bergmann, Karl-Christian and Werchan, Matthias and Werchan, Barbora},
year = {2020},
language = {eng},
copyright = {https://creativecommons.org/licenses/by/4.0/},
title = {Allergy to tree-of-heaven pollen in Germany: detection by positive nasal provocation},
volume = {29},
pages = {126 - 128},
url = "http://dx.doi.org/10.17169/refubium-35129",
}