Biology: The Dynamics of Life, California EditionChapter 27:
Mollusks and Segmented WormsCareers in Biologyp. 732
 <![CDATA[<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=gif::::/sites/dl/free/0078665809/181784/careers_biology.gif','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (1.0K)</a>]]>Medicinal Leeches
A surgeon at the University of Missouri raises leeches for microsurgery cases. Find out why the leeches can only be used once.
 | 
