span  title="" class="an ">&ensp;</span>mesenteric <span  title="" class="an ">&ensp;</span>nerve <span  title="" class="an ">&ensp;</span>stimulation <span  title="" class="an ">&ensp;</span>in <span  title="" class="an ">&ensp;</span>the <span  title="" class="an ">&ensp;</span>guinea <span  title="" class="an ">&ensp;</span>pig <span  title="" class="an ">&ensp;</span>isolated <span  title="" class="an ">&ensp;</span>ileum <span  title="" class="an ">&ensp;</span>Mesenteric <span  title="" class="an ">&e