WORLD JOURNAL OF GASTROENTEROLOGY, Volume 14, Issue 28,2008, Pages 4505-4511, doi:10.3748/wjg.14.4505
CHINA MEDICAL HERALD, Volume 5, Issue 28,2008, Pages 42,46, doi:10.3969/j.issn.1673-7210.2008.28.025
CHINESE JOURNAL OF MISDIAGNOSIS, Volume 8, Issue 28,2008, Pages 7022, doi:10.3969/j.issn.1009-6647.2008.28.220
CHINA FOREIGN MEDICAL TREATMENT, Volume 27, Issue 28,2008, Pages 94-94, doi:10.3969/j.issn.1674-0742.2008.28.076
MATERNAL AND CHILD HEALTH CARE OF CHINA, Volume 23, Issue 28,2008, Pages 4040-4043, doi:10.3969/j.issn.1001-4411.2008.28.047