MODERN MEDICINE & HEALTH, Volume 20, Issue 13,2004, Pages 1216-1217, doi:10.3969/j.issn.1009-5519.2004.13.018
HEALTH VOCATIONAL EDUCATION, Volume 22, Issue 13,2004, Pages 69-70, doi:10.3969/j.issn.1671-1246.2004.13.046
JOURNAL OF CHINESE CLINICAL MEDICINE, Volume 5, Issue 13,2004, Pages 96,
CHINA POULTRY, Volume 26, Issue 13,2004, Pages 27-28, doi:10.3969/j.issn.1004-6364.2004.13.009
JOURNAL OF PRACTICAL MEDICAL TECHNIQUES, Volume 11, Issue 13,2004, Pages 1216-1218, doi:10.3969/j.issn.1671-5098.2004.13.082