<term><name>Mairs, John W</name><frequency>1</frequency></term>
</list>
<list name="subject">
-<term><name>Optical pattern recognition</name><frequency>1</frequency></term>
+<term><name>Radioisotope scanning</name><frequency>1</frequency></term>
<term><name>Scintillation cameras</name><frequency>1</frequency></term>
<term><name>Imaging systems in medicine</name><frequency>1</frequency></term>
<term><name>Bible. O.T</name><frequency>1</frequency></term>
<term><name>Cartography</name><frequency>1</frequency></term>
<term><name>Puget Sound region (Wash.)</name><frequency>1</frequency></term>
<term><name>Tomography</name><frequency>1</frequency></term>
-<term><name>Radioisotope scanning</name><frequency>1</frequency></term>
+<term><name>Optical pattern recognition</name><frequency>1</frequency></term>
</list>
<list name="date">
<term><name>1974</name><frequency>2</frequency></term>