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