Xu Y, Qian J, Yu Z. Budesonide up-regulates vitamin D receptor expression in human bronchial fibroblasts and enhances the inhibitory effect of calcitriol on airway remodeling. Allergol Immunopathol. 2019;47(6):585-590. Accessed April 23, 2026. https://all-imm.com/index.php/aei/article/view/271