Analysis on variation characteristics of air quality in 31 key cities from 2014 to 2018 in ChinaWANG Wei-lai, LI Ming-yan, ZHANG Mei-hang, WANG Hong-wei441-445
Existing problems and countermeasures of chronic diseases prevention and control in Nanshan District of ShenzhenMA Jian-ping, WANG Chang-yi, LI Cheng, HUANG Xiao-min, YANG Jie, DAI Shu-hong, XU Shan, CHEN Hong-en446-449
Analysis on relative risk factors of non-alcoholic fatty liver complicated with liver function damageLUO Ping-ping, DING Jie-xia, YU Li-fei, ZHU Wei-hong450-452
Analysis on the students' acceptance of health information through WeChat in a college in GuangzhouKANG Li-sha, LIANG Xiao-shan, LI Hui-min, WU Ting, GONG Jie453-456
Analysis on the detection of norovirus and its genetic characteristics among patients with diarrhea in Heilongjiang Province from 2017 to 2019SHI Xin, SHU Chang, XU Jun, LENG Yan457-459,498
A Meta-analysis of prevalence rate of diabetic retinopathyCHEN Xue-zhen, WU Hui-hua, LIU Yuan-yuan, TIAN Jun460-465
Analysis on current status and influencing factors of tobacco use among the youth in HeilongjiangJIANG Lin-lin, CAO Yuan, LIU Wen-hui, WANG Ying466-469
Analysis on the development of human resources in CDCs at all levels from 2012 to 2016DU Xue-jie, GUO Qing, JIN Li-zhu, LI Shao-qiong470-473
Investigation on current situation of preventive healthcare human resources at grass-roots level in Changping District of Beijing in 2018FAN Xiao-xiao, WANG Hai-hong, XU Ying, YANG Jun-ying, YUAN Xin-hai, ZHU Zong-long474-477
Analysis of human resources in disease prevention and control institutions in Heilongjiang ProvinceZHAN Yong, ZHANG Yan-li, YAN Hong-mei, CAO Yuan478-481