Chinese Journal of Preventive Medicine, Volume 53, Issue 4,2019, Pages 345-349, doi:10.3760/cma.j.issn.0253-9624.2019.04.003
Chinese Journal of Preventive Medicine, Volume 53, Issue 4,2019, Pages 371-375, doi:10.3760/cma.j.issn.0253-9624.2019.04.008
Chinese Journal of Preventive Medicine, Volume 53, Issue 4,2019, Pages 355-359, doi:10.3760/cma.j.issn.0253-9624.2019.04.005
Chinese Journal of Preventive Medicine, Volume 53, Issue 4,2019, Pages 354,359,364,370,418,425,432,436,
Chinese Journal of Preventive Medicine, Volume 53, Issue 4,2019, Pages 342-344, doi:10.3760/cma.j.issn.0253-9624.2019.04.002