Chen, Sihu, Wanding Ye, Weikun Zheng, Zhiwei Xu, Yiping Chen, and Longteng Jin. “Increased Serum Antimicrobial Peptide LL-37 and HBD-2 Combined With 25-Hydroxyvitamin D3 Deficiency in Infants With Pertussis”. The Journal of Infection in Developing Countries 14, no. 10 (October 31, 2020): 1164–1169. Accessed April 19, 2024. https://jidc.org/index.php/journal/article/view/33175712.