CJCP     2022 24 (5):  579-584    ISSN: 1008-8830  CN: 43-1301/R Association between MTHFR gene polymorphism and primary hypertension in children WANG Hui, LIU Yan-Yan, ZHANG Yu, CHEN Xiao-Li, SHI Lin Peking Union Medical College/Chinese Academy of Medical Sciences/Capital Institute of Pediatrics, Beijing 100020, China (Shi L, Email: shilin9789@126.com) Received: 2021-12-09  Revised: null  Online: null Supporting info