Chinese Journal of Preventive Medicine, Volume 51, Issue 8,2017, Pages 769-771, doi:10.3760/cma.j.issn.0253-9624.2017.08.021
Chinese Journal of Preventive Medicine, Volume 51, Issue 8,2017, Pages 698-702, doi:10.3760/cma.j.issn.0253-9624.2017.08.008
Chinese Journal of Preventive Medicine, Volume 51, Issue 8,2017, Pages 740-745, doi:10.3760/cma.j.issn.0253-9624.2017.08.015