The transformation may occur by various mechanisms , such as, for example, through {HEAD ~ hydrolysis} in {TAIL ~ blood} 
The transformation may occur by various mechanisms , such as , for example , through { HEAD ~ hydrolysis } in { TAIL ~ blood }
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