NATIONAL MEDICAL JOURNAL OF CHINA, Volume 88, Issue 27,2008, Pages 1881-1883, doi:10.3321/j.issn:0376-2491.2008.27.004
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 88, Issue 27,2008, Pages 1941-1942, doi:10.3321/j.issn:0376-2491.2008.27.020
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 88, Issue 27,2008, Pages 1925-1928, doi:10.3321/j.issn:0376-2491.2008.27.015
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 88, Issue 27,2008, Pages 1875-1877, doi:10.3321/j.issn:0376-2491.2008.27.002
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 88, Issue 27,2008, Pages 1905-1908, doi:10.3321/j.issn:0376-2491.2008.27.010