 ">&ensp;</span>by <span  title="" class="an ">&ensp;</span>ketanserin <span  title="" class="an ">&ensp;</span>a <span  title="" class="an ">&ensp;</span><span  title="CAP" class="an CAP">HT</span><span  title="" class="an ">&ensp;</span>A <span  title="" class="an ">&ensp;</span>C <span  title="" class="an ">&ensp;</span>antagonist <span  title="" class="an ">&ensp;</span>Although <span  title="" class="an ">&ensp;</span>R <span  title="" class="an ">&ensp;</span>dimethoxy <span  title="" class="an ">&ens