SHANDONG MEDICAL JOURNAL, Volume 49, Issue 43,2009, Pages 56-57, doi:10.3969/j.issn.1002-266X.2009.43.023
SHANDONG MEDICAL JOURNAL, Volume 49, Issue 43,2009, Pages 111-112, doi:10.3969/j.issn.1002-266X.2009.43.074
SHANDONG MEDICAL JOURNAL, Volume 49, Issue 43,2009, Pages 41-42, doi:10.3969/j.issn.1002-266X.2009.43.016
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 89, Issue 43,2009, Pages 3047-3050, doi:10.3760/cma.j.issn.0376-2491.2009.43.007