The inventions described below relate to {HEAD ~ treatments} for {TAIL ~ pulmonary hypertension} and vascular surgery 
for
The inventions described below relate to { HEAD ~ treatments } for { TAIL ~ pulmonary hypertension } and vascular surgery
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH