Chinese Journal of Preventive Medicine, Volume 53, Issue 5,2019, Pages 527-529, doi:10.3760/cma.j.issn.0253-9624.2019.05.018
Chinese Journal of Preventive Medicine, Volume 53, Issue 5,2019, Pages 534-539, doi:10.3760/cma.j.issn.0253-9624.2019.05.020
Chinese Journal of Preventive Medicine, Volume 53, Issue 5,2019, Pages 464-469, doi:10.3760/cma.j.issn.0253-9624.2019.05.006
Chinese Journal of Preventive Medicine, Volume 53, Issue 5,2019, Pages 469, doi:10.3760/cma.j.issn.0253-9624.2019.05.102