CHINA PRACTICAL MEDICINE, Volume 2, Issue 15,2007, Pages 81-82, doi:10.3969/j.issn.1673-7555.2007.15.052
CENTRAL PLAINS MEDICAL JOURNAL, Volume 34, Issue 15,2007, Pages 70-71, doi:10.3760/cma.j.issn.1674-4756.2007.15.052
JOURNAL OF APPLIED CLINICAL PEDIATRICS, Volume 22, Issue 15,2007, Pages 1123-1126, doi:10.3760/cma.j.issn.2095-428X.2007.15.102
HEALTH VOCATIONAL EDUCATION, Volume 25, Issue 15,2007, Pages 20-21, doi:10.3969/j.issn.1671-1246.2007.15.011
MODERN MEDICINE & HEALTH, Volume 23, Issue 15,2007, Pages 2322, doi:10.3969/j.issn.1009-5519.2007.15.094