ss="an ">&ensp;</span>vitro <span  title="" class="an ">&ensp;</span>pharmacology <span  title="" class="an ">&ensp;</span>of <span  title="" class="an ">&ensp;</span>recombinant <span  title="" class="an ">&ensp;</span>and <span  title="" class="an ">&ensp;</span>endogenous <span  title="" class="an ">&ensp;</span><span  title="CAP" class="an CAP">VR</span><span  title="" class="an ">&ensp;</span>receptors <span  title="" class="an ">&ensp;</span>using <span  title="" class="an ">&ensp;</span>calcium <span