Section I of the specification describes {HEAD ~ HPLC processes} for {TAIL ~ purification} of endogenous amplifier materials derived from human leukocyte dialysates 
Section I of the specification describes { HEAD ~ HPLC processes } for { TAIL ~ purification } of endogenous amplifier materials derived from human leukocyte dialysates
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH