A gram illustrating the disctinction between <a href="//commons.wikimedia.org/w/index.php?title=Cancer_stem_cell&amp;action=edit&amp;redlink=1" class="new" title="Cancer stem cell (page does not exist)">cancer stem cell</a> targeted (above) and conventional (below) cancer therapies
Peter Znamenskiy
2006-05-30
<span class="int-own-work" lang="en">Own work</span>