Chinese Journal of Preventive Medicine, Volume 50, Issue 9,2016, Pages 833-835, doi:10.3760/cma.j.issn.0253-9624.2016.09.018
Chinese Journal of Preventive Medicine, Volume 50, Issue 9,2016, Pages 836-840, doi:10.3760/cma.j.issn.0253-9624.2016.09.019
Chinese Journal of Preventive Medicine, Volume 50, Issue 9,2016, Pages 788-793, doi:10.3760/cma.j.issn.0253-9624.2016.09.008
Chinese Journal of Preventive Medicine, Volume 50, Issue 9,2016, Pages 811-814, doi:10.3760/cma.j.issn.0253-9624.2016.09.012
Chinese Journal of Preventive Medicine, Volume 50, Issue 9,2016, Pages 815-819, doi:10.3760/cma.j.issn.0253-9624.2016.09.013