JOURNAL OF MEDICAL FORUM, Volume 25, Issue 22,2004, Pages 1-2, doi:10.3969/j.issn.1672-3422.2004.22.001
CHINESE JOURNAL OF MEDICAL WRITING, Volume 11, Issue 22,2004, Pages 1964-1966,
MODERN MEDICINE & HEALTH, Volume 20, Issue 22,2004, Pages 2414-2414, doi:10.3969/j.issn.1009-5519.2004.22.065
HEALTH VOCATIONAL EDUCATION, Volume 22, Issue 22,2004, Pages 64-64, doi:10.3969/j.issn.1671-1246.2004.22.095
MATERNAL AND CHILD HEALTH CARE OF CHINA, Volume 19, Issue 22,2004, Pages 58-59, doi:10.3969/j.issn.1001-4411.2004.22.031