Chinese Journal of Preventive Medicine, Volume 53, Issue 7,2019, Pages 686-691, doi:10.3760/cma.j.issn.0253-9624.2019.07.006
Chinese Journal of Preventive Medicine, Volume 53, Issue 7,2019, Pages 668-679, doi:10.3760/cma.j.issn.0253-9624.2019.07.004
Chinese Journal of Preventive Medicine, Volume 53, Issue 7,2019, Pages 706-712, doi:10.3760/cma.j.issn.0253-9624.2019.07.010
Chinese Journal of Preventive Medicine, Volume 53, Issue 7,2019, Pages 712, doi:10.3760/cma.j.issn.0253-9624.2019.07.104
Chinese Journal of Preventive Medicine, Volume 53, Issue 7,2019, Pages 701-705, doi:10.3760/cma.j.issn.0253-9624.2019.07.009