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<div align="center"><center>

<table border="1" cellpadding="0" cellspacing="0">
    <tr>
        <td><img
        src="../images/20_photo.JPG"
        alt="Dermatologist Dream Wall Photo (#20)" width="757"
        height="298"></td>
    </tr>
</table>
</center></div>

<p align="center">Trouble understanding the diagram? Try checking
out <a href="../key.shtml">the key</a> first!</p>
<div align="center"><center>

<table border="1" cellpadding="0" cellspacing="0">
    <tr>
        <td><img
        src="../images/20_diagram.JPG"
        alt="Dermatologist Dream Wall Diagram (#20)" width="546"
        height="216"></td>
    </tr>
</table>
</center></div>

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