Chinese Journal of Preventive Medicine, Volume 53, Issue 2,2019, Pages 129-132, doi:10.3760/cma.j.issn.0253-9624.2019.02.001
Chinese Journal of Preventive Medicine, Volume 53, Issue 2,2019, Pages 179-184, doi:10.3760/cma.j.issn.0253-9624.2019.02.011
Chinese Journal of Preventive Medicine, Volume 53, Issue 2,2019, Pages 229-232, doi:10.3760/cma.j.issn.0253-9624.2019.02.020
Chinese Journal of Preventive Medicine, Volume 53, Issue 2,2019, Pages 174-178, doi:10.3760/cma.j.issn.0253-9624.2019.02.010
Chinese Journal of Preventive Medicine, Volume 53, Issue 2,2019, Pages 202-205, doi:10.3760/cma.j.issn.0253-9624.2019.02.015