171,721,1291,804">
<area shape="rect" id="node23" href="drug_exposure.html" title="drug_exposure" alt="" coords="1559,2111,1685,2193">
<area shape="rect" id="node24" href="drug_strength.html" title="drug_strength" alt="" coords="381,1933,721,2285">
<area shape="rect" id="node25" href="fact_relationship.html" title="fact_relationship" alt="" coords="484,2303,619,2385">
<area shape="rect" id="node26" href="measurement.html" title="measurement" alt="" coords="1558,2495,1686,2577">
<area shape="rect" id="node27