by <span  title="" class="an ">&ensp;</span>trituration <span  title="" class="an ">&ensp;</span>with <span  title="" class="an ">&ensp;</span>a <span  title="" class="an ">&ensp;</span>vibrating <span  title="" class="an ">&ensp;</span>glass <span  title="" class="an ">&ensp;</span>probe <span  title="" class="an ">&ensp;</span>Two <span  title="" class="an ">&ensp;</span>types <span  title="" class="an ">&ensp;</span>of <span  title="" class="an ">&ensp;</span><span  title="CAP" class="an CAP">BK</span><s