Our continuous studies were allowed to achieve the long lasting effect in {HEAD ~ vivo} by conversion of sulfhydryl group into {TAIL ~ disulfide group} 
Our continuous studies were allowed to achieve the long lasting effect in { HEAD ~ vivo } by conversion of sulfhydryl group into { TAIL ~ disulfide group }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL