%0 Journal Article %A Yong Song %A E. Haydn Walters %A Michael J. Abramson %A Gayan Bowatte %A Dinh S. Bui %A Jennifer Perret %A Iain Feather %A Luke D. Knibbs %A Richard Wilson %A David S. Nichols %A Shyamali C. Dharmage %A Graeme R. Zosky %T Protein levels, air pollution and vitamin D deficiency: links with allergy %D 2021 %R 10.1183/23120541.00237-2021 %J ERJ Open Research %P 00237-2021 %U https://openres.ersjournals.com/content/erjor/early/2021/07/22/23120541.00237-2021.full.pdf