{HEAD ~ The blood cell suspensions} treated by using {TAIL ~ the filter unit} of the present invention have satisfactory properties 
treated by using
{ HEAD ~ The blood cell suspensions } treated by using { TAIL ~ the filter unit } of the present invention have satisfactory properties
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH