CJCP     2022 24 (12):  1340-1344    ISSN: 1008-8830  CN: 43-1301/R Clinical and gastroscopic features of children with cyclic vomiting syndrome: an analysis of 63 cases SONG Lin, LI Yu-Jia, WANG Jian, LI Ning-Ning, DU Yan-Yan, HE Lan, XU Xi-Wei Department of Pediatrics, Beijing Tsinghua Changgung Hospital, School of Clinical Medicine, Tsinghua University, Beijing,102218,China Received: 2022-06-04  Revised: null  Online: null Supporting info