MATERNAL AND CHILD HEALTH CARE OF CHINA, Volume 20, Issue 14,2005, Pages 1780-1780, doi:10.3969/j.issn.1001-4411.2005.14.087
CHINESE JOURNAL OF CANCER PREVENTION AND TREATMENT, Volume 12, Issue 14,2005, Pages 1121-1121, doi:10.3969/j.issn.1673-5269.2005.14.029
CHINESE MEDICAL JOURNAL, Volume 118, Issue 14,2005, Pages 1161-1166,