CJCP     2021 23 (6):  563-568    ISSN: 1008-8830  CN: 43-1301/R Association of neonatal blood calcium levels with perinatal factors and neonatal urinary calcium levels measured by an intelligent urine test system ZHANG Jie, XIAO Mi, WANG Fang-Hui, LIU Li Department of Neonatology, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an 710061, China Received: 2020-12-23  Revised: 2021-04-26  Online: null Supporting info