CHINA MEDICAL HERALD, Volume 5, Issue 20,2008, Pages 108-108,117, doi:10.3969/j.issn.1673-7210.2008.20.067
GUIDE TO CHINESE POULTRY, Volume 25, Issue 20,2008, Pages 52,
EDUCATION SCIENCE & CULTURE MAGAZINE, , Issue 20,2008, Pages 59-59, doi:10.3969/j.issn.1672-7894.2008.20.053
MODERN MEDICINE & HEALTH, Volume 24, Issue 20,2008, Pages 3038-3039,
JOURNAL OF COMMUNITY MEDICINE, Volume 6, Issue 20,2008, Pages 1-2, doi:10.3969/j.issn.1672-4208.2008.20.001