Chinese Journal of Preventive Medicine, Volume 46, Issue 9,2012, Pages 862-863, doi:10.3760/cma.j.issn.0253-9624.2012.09.020
Chinese Journal of Preventive Medicine, Volume 46, Issue 9,2012, Pages 845-849, doi:10.3760/cma.j.issn.0253-9624.2012.09.015
Chinese Journal of Preventive Medicine, Volume 46, Issue 9,2012, Pages 808,
Chinese Journal of Preventive Medicine, Volume 46, Issue 9,2012, Pages 802-808, doi:10.3760/cma.j.issn.0253-9624.2012.09.006
Chinese Journal of Preventive Medicine, Volume 46, Issue 9,2012, Pages 789-795, doi:10.3760/cma.j.issn.0253-9624.2012.09.004