Chinese Journal of Preventive Medicine, Volume 49, Issue 6,2015, Pages 581-584, doi:10.3760/cma.j.issn.0253-9624.2015.06.026
Chinese Journal of Preventive Medicine, Volume 49, Issue 6,2015, Pages 501-505, doi:10.3760/cma.j.issn.0253-9624.2015.06.009
Chinese Journal of Preventive Medicine, Volume 49, Issue 6,2015, Pages 576-578, doi:10.3760/cma.j.issn.0253-9624.2015.06.024
Chinese Journal of Preventive Medicine, Volume 49, Issue 6,2015, Pages 579-580, doi:10.3760/cma.j.issn.0253-9624.2015.06.025
Chinese Journal of Preventive Medicine, Volume 49, Issue 6,2015, Pages 546-553, doi:10.3760/cma.j.issn.0253-9624.2015.06.017