Chinese Journal of Preventive Medicine, Volume 54, Issue 8,2020, Pages 839-843, doi:10.3760/cma.j.cn112150-20190801-00618
Chinese Journal of Preventive Medicine, Volume 54, Issue 8,2020, Pages 854-860, doi:10.3760/cma.j.cn112150-20200401-00490
Chinese Journal of Preventive Medicine, Volume 54, Issue 8,2020, Pages 907,
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Chinese Journal of Preventive Medicine, Volume 54, Issue 8,2020, Pages 902-907, doi:10.3760/cma.j.cn112150-20200602-00805