Quý, T., Đạt, T.T. and Hồng, N.T.T. 2025. 27. Survey of serum zinc concentration in children with pneumonia from 2 to 24 months old at Thai Binh Children‘s Hospital. Journal of Medical Research. 195, 10 (Oct. 2025), 246-253. DOI:https://doi.org/10.52852/tcncyh.v195i10.3941.