Nguyen, H.A.U. et al. 2022. SOME CHARACTERS OF ASTHMA IN CHILDREN FROM 6 MONTH TO 5 YEARS WITH INADEQUATE VITAMIN D LEVELS. Cantho Journal of Medicine and Pharmacy. 51 (Sep. 2022), 41–49. DOI:https://doi.org/10.58490/ctump.2022i51.269.