CJCP     2021 23 (8):  802-808    ISSN: 1008-8830  CN: 43-1301/R Relationship between MTHFR gene polymorphism and susceptibility to bronchial asthma and glucocorticoid efficacy in children LI Min, TANG Yu, ZHAO Er-Yao, CHEN Chao-Hui, DONG Li-Li Department of Respiratory Medicine, Children's Hospital Affiliated to Zhengzhou University/Henan Children's Hospital/Zhengzhou Children's Hospital, Zhengzhou 450018, China Received: 2021-05-11  Revised: null  Online: null Supporting info