@article{zhang_zhan_hu_zhong_2026,  title={Maternal vitamin D, cord blood cytokines, and early childhood allergic diseases: a 2-year cohort study},  volume={102},  ISSN={0021-7557},  url={https://doi.org/10.1016/j.jped.2026.101544},  DOI={10.1016/j.jped.2026.101544},  number={3},  journal={Jornal de Pediatria},  publisher={Sociedade Brasileira de Pediatria},  author={Zhang, Zheng and Zhan, Tao and Hu, Jiahui and Zhong, Yongxing},  year={2026},  pages={101544} }