Simplified <a href="https://en.wikipedia.org/wiki/hemodialysis" class="extiw" title="w:hemodialysis">hemodialysis</a> circuit.
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Own work from <a href="//commons.wikimedia.org/wiki/File:Hemodialysis_schematic.gif" title="File:Hemodialysis schematic.gif">Image:Hemodialysis schematic.gif</a>.