{HEAD ~ This filter device} is used, for example, for the removal of {TAIL ~ proteins} from blood 
{ HEAD ~ This filter device } is used , for example , for the removal of { TAIL ~ proteins } from blood
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH