More specifically, the invention presents {HEAD ~ the application} of lasers for {TAIL ~ noninvasive thermal coagulation} and occlusion of the vas 
for
More specifically , the invention presents { HEAD ~ the application } of lasers for { TAIL ~ noninvasive thermal coagulation } and occlusion of the vas
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH