Study on the status and influencing factors for urine lead level of primary and middle school students in Liuzhou city
ZHOU Zhou, DENG Liang-qiong, LIU Ping, HUANG Ting, ZENG Ting
Chinese Journal of Child Health Care . 2021, (4): 421 -424 .  DOI: 10.11852/zgetbjzz2020-1143