CHINESE JOURNAL OF PREVENTIVE MEDICINE, Volume 44, Issue 8,2010, Pages 721-725, doi:10.3760/cma.j.issn.0253-9624.2010.08.010
CHINESE JOURNAL OF PREVENTIVE MEDICINE, Volume 44, Issue 8,2010, Pages 762-763, doi:10.3760/cma.j.issn.0253-9624.2010.08.021
CHINESE JOURNAL OF PREVENTIVE MEDICINE, Volume 44, Issue 8,2010, Pages 731-735, doi:10.3760/cma.j.issn.0253-9624.2010.08.012
CHINESE JOURNAL OF PREVENTIVE MEDICINE, Volume 44, Issue 8,2010, Pages 741-744, doi:10.3760/cma.j.issn.0253-9624.2010.08.014
CHINESE JOURNAL OF PREVENTIVE MEDICINE, Volume 44, Issue 8,2010, Pages 745-747, doi:10.3760/cma.j.issn.0253-9624.2010.08.015