The PDF of the article you requested follows this cover page. This is an enhanced PDF from The Journal of Bone and Joint Surgery 2003;85:1790-1794. J Bone Joint Surg Am. Antonio Herrera and Angel A. MartÃnez Extraspinal Bone Hydatidosis This information is current as of January 16, 2010 Supplementary material http://www.ejbjs.org/cgi/content/full/85/9/1790/DC1 at translated abstracts are available for this article. This information can be accessed Commentary and Perspective, data tables, additional images, video clips and/or Reprints and Permissions Permissions] link. and click on the [Reprints and jbjs.org article, or locate the article citation on to use material from this order reprints or request permission Click here to Publisher Information www.jbjs.org 20 Pickering Street, Needham, MA 02492-3157 The Journal of Bone and Joint Surgery