MATERNAL AND CHILD HEALTH CARE OF CHINA, Volume 23, Issue 29,2008, Pages 4094-4095, doi:10.3969/j.issn.1001-4411.2008.29.004
MODERN HEALTH(MEDICINE INNOVATION RESEARCH), Volume 5, Issue 29,2008, Pages 61-62,
PUBLIC MEDICAL FORUM MAGAZINE, Volume 12, Issue 29,2008, Pages 946-947, doi:10.3969/j.issn.1672-1721.2008.29.074
SCIENCE AND TECHNOLOGY INNOVATION HERALD, , Issue 29,2008, Pages 224, doi:10.3969/j.issn.1674-098X.2008.29.220