CJCP     2022 24 (2):  162-168    ISSN: 1008-8830  CN: 43-1301/R Characteristics of amino acid metabolism in preterm infants in Guangxi, China LIN Cai-Juan, GENG Guo-Xing, PENG Zhen-Ren, HUANG Xiao-Tao, WU Liu-Lin, XU Yu-Qi, LI Wei, QIAN Jia-Le, LUO Jing-Si Genetic Metabolism Center Laboratory, Maternal and Child Health Care Hospital of Guangxi Zhuang Autonomous Region, Nanning 530012, China Received: 2021-09-27  Revised: null  Online: null Supporting info