Hydrophilic regions of the envelope protein were identified by {TAIL ~ the technique} of {HEAD ~ Rose} and Roy  
Hydrophilic regions of the envelope protein were identified by { TAIL ~ the technique } of { HEAD ~ Rose } and Roy
OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH