CHINESE JOURNAL OF POSTGRADUATES OF MEDICINE, Volume 31, Issue 23,2008, Pages 56-58, doi:10.3760/cma.j.issn.1673-4904.2008.23.024
JOURNAL OF COMMUNITY MEDICINE, Volume 6, Issue 23,2008, Pages 36-37, doi:10.3969/j.issn.1672-4208.2008.23.021
CHINA HEALTHCARE FRONTIERS, Volume 03, Issue 23,2008, Pages 29-30, doi:10.3969/j.issn.1673-5552.2008.23.019
CHINESE JOURNAL OF MISDIAGNOSIS, Volume 8, Issue 23,2008, Pages 5591-5592, doi:10.3969/j.issn.1009-6647.2008.23.035