Chen, S. ., Ye, W. ., Zheng, W. ., Xu, Z. ., Chen, Y. ., & Jin, L. (2020). 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(10), 1164–1169. https://doi.org/10.3855/jidc.12317