CHINESE JOURNAL OF ENDEMIOLOGY, Volume 22, Issue 2,2003, Pages 176-177, doi:10.3760/cma.j.issn.1000-4955.2003.02.030
CHINESE JOURNAL OF ENDEMIOLOGY, Volume 22, Issue 2,2003, Pages 159-160, doi:10.3760/cma.j.issn.1000-4955.2003.02.023
CHINESE JOURNAL OF ENDEMIOLOGY, Volume 22, Issue 2,2003, Pages 181-182, doi:10.3760/cma.j.issn.1000-4955.2003.02.032
CHINESE JOURNAL OF ENDEMIOLOGY, Volume 22, Issue 2,2003, Pages 131-133, doi:10.3760/cma.j.issn.1000-4955.2003.02.012
CHINESE JOURNAL OF ENDEMIOLOGY, Volume 22, Issue 2,2003, Pages 124-125, doi:10.3760/cma.j.issn.1000-4955.2003.02.009