CJCP     2024 26 (9):  940-945    ISSN: 1008-8830  CN: 43-1301/R Leigh syndrome caused by the mitochondrial m.8993T>G mutation with hypocitrullinemia: a report of four cases and literature review LI Ying-Xue, WANG Dong-Juan, ZHOU Mao-Bin, SUN Hao-Xuan, HONG Si-Qi, JIANG Li, GUO Yi Department of Neurology, Children's Hospital of Chongqing Medical University/National Clinical Research Center for Child Health and Disorders/Chongqing Key Laboratory of Pediatrics/Ministry of Education Key Laboratory of Child Development and Disorders, Chongqing 400014, China Received: 2024-04-03  Revised: null  Online: null Supporting info null