CHINESE JOURNAL OF ENDEMIOLOGY, Volume 25, Issue 5,2006, Pages 583-584, doi:10.3760/cma.j.issn.1000-4955.2006.05.046
CHINESE JOURNAL OF ENDEMIOLOGY, Volume 25, Issue 5,2006, Pages 487-489, doi:10.3760/cma.j.issn.1000-4955.2006.05.005
CHINESE JOURNAL OF ENDEMIOLOGY, Volume 25, Issue 5,2006, Pages 527-528, doi:10.3760/cma.j.issn.1000-4955.2006.05.017
CHINESE JOURNAL OF ENDEMIOLOGY, Volume 25, Issue 5,2006, Pages 552-554, doi:10.3760/cma.j.issn.1000-4955.2006.05.026