CHINA JOURNAL OF MODERN MEDICINE, Volume 19, Issue 24,2009, Pages 3692-3696, doi:10.3969/j.issn.1005-8982.2009.24.004
CHINA JOURNAL OF MODERN MEDICINE, Volume 19, Issue 24,2009, Pages 3708-3712,3717, doi:10.3969/j.issn.1005-8982.2009.24.007
CHINA JOURNAL OF MODERN MEDICINE, Volume 19, Issue 24,2009, Pages 3832-3835,
CHINA JOURNAL OF MODERN MEDICINE, Volume 19, Issue 24,2009, Pages 3748-3752,
CHINA JOURNAL OF MODERN MEDICINE, Volume 19, Issue 24,2009, Pages 3813-3815, doi:10.3969/j.issn.1005-8982.2009.24.035