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class="two_col"> <div id="main_column" "> <div style="background:#f17c0e;width:100%;margin-bottom:20px"> <img src="/web/20150409102707im_/http://www.whocc.no/img/atcddd_orange.gif" alt="ATC/DDD" style="float:right;padding:5px 10px"/> <h1 style="color:#fff;font-size:20px;width:310px;padding:50px 0 0 20px;clear:none">International language for drug utilization research</h1> </div> <div class="item last"> <div class="body"><p>The Anatomical Therapeutic Chemical (ATC) classification system and the Defined Daily Dose (DDD) as a measuring unit have become the gold standard for international drug utilization research.</p> <p>The ATC/DDD system is a tool for exchanging and comparing data on drug use at international, national or local levels.</p> <h2>Welcome to the WHO Collaborating Centre for Drug Statistics Methodology</h2> <p> </p></div> </div> </div> <div id="right_col_box"> <div id="right_col_box_top"> <h3>News</h3> </div> <div id="right_col_box_border"> <div class="w"> <div class="item"> <div class="w">Updates of the list of DDDs for combined products</div> <div class="w r"><a href="/web/20150409102707/http://www.whocc.no/news/updates_of_the_list_of_ddds_for_combined_products">Read</a></div> </div> <div class="item"> <div class="w">List of DDDs for three years revision</div> <div class="w r"><a href="/web/20150409102707/http://www.whocc.no/news/list_of_ddds_for_three_years_revision">Read</a></div> </div> <div class="item last"> <div class="w">New ATC/DDDs and alterations from the October 2014 meeting</div> <div class="w r"><a href="/web/20150409102707/http://www.whocc.no/news/new_atc_ddds_and_alterations_from_the_october_2014_meeting">Read</a></div> </div> </div> </div> <div style="padding-top:20px"> <a href="/web/20150409102707/http://www.whocc.no/atcvet/"><img name="atcvet" src="/web/20150409102707im_/http://www.whocc.no/img/atcvet.gif" style="width:250px;height:87px;border:0" alt="ATCvet"/></a> </div> </div> <div id="last_updated"> <p><i>Last updated: 2014-12-16</i></p> </div> </div> </div> </div> <div id="left_bottom"> </div> </div> </body> </html>