Moreover, the combined treatment eliminated {HEAD ~ the need} for {TAIL ~ retreatment}, and did not generate new vessel growth 
for
Moreover , the combined treatment eliminated { HEAD ~ the need } for { TAIL ~ retreatment } , and did not generate new vessel growth
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