
Investigation and analysis of COVID-19 patients and close contacts in Jinan City
GAO Shang, REN Ya-ru, ZHAO Xiao-dong, LI Zhan, CHANG Cai-yun, YU Qiu-yan, GENG Xing-yi
Practical Preventive Medicine ›› 2021, Vol. 28 ›› Issue (3) : 275-277.
Investigation and analysis of COVID-19 patients and close contacts in Jinan City
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