1.篇名：Clinical trial design issues: at least 10 things you should look for in clinical trials
  作者： Glasser SP；Howard G
  出版社：The Journal of Clinical Pharmacology  
  电子连接：http://jcp.sagepub.com/cgi/reprint/46/10/1106
2.篇名：An Old Norse Translation of the "Transitus Mariae"
  作者：Ole Widding, Hans Bekker-Nielsen
  出版社：Brepols Publishers
  电子连接：http://brepols.metapress.com/content/x6351q756h6u2r77/