http://www.cqvip.com/main/none.aspx?lngid=30316768
维普网
全网免费
http://www.zhangqiaokeyan.com/academic-journal-cn_progress-modern-biomedicine_thesis/0201223058514.html
掌桥科研
全网免费
http://epub.cnki.net/grid2008/docdown/docdownload.aspx?filename=SWCX200909057&dbcode=CJFD&year=2009&dflag=pdfdown
epub.cnki.net
全网免费
http://doc.paperpass.com/journal/20091440swcx.html
doc.paperpass.com
全网免费