Radioactive agents have {HEAD ~ applications} in {TAIL ~ imaging} and delivery of radiations, depending on the specific element included in the active agent 
in
Radioactive agents have { HEAD ~ applications } in { TAIL ~ imaging } and delivery of radiations , depending on the specific element included in the active agent
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH