<HTML><FONT FACE=arial,helvetica><BODY BGCOLOR="#ffffff"><FONT style="BACKGROUND-COLOR: #ffffff" SIZE=2 FAMILY="SANSSERIF" FACE="Arial" LANG="0">I'm studying for the HT exam. Which study material should I concentrate on most - Board of Registry Study Guide, NSH Self-Assessment Examination Publications or Histotechnology, A Self-Assessment Workbook by Frieda Carson? Thanks for your responses !</FONT></HTML>