AHERO is an open access website. Users are encouraged to make productive use of the resources. Please observe the following guidelines and restrictions:

All of the materials in this website are copyrighted by the individual authors. Some materials are copyrighted by other organisations, and are used by AHERO with their permission.
Users may read, download, copy, print, display, redistribute or translate documents.
Users must observe the author's right to be acknowledged.
Documents available from this site may not be used in any commercial endeavour in any form without written permission from the copyright holder.
For further guidance on usage of the files on this site, please view the Data Policy, within the menu item About AHERO.
By choosing to view a file on this site, readers agree to abide by these provisions.