It also relates to {TAIL ~ variants} of {HEAD ~ the wild thymidine kinase} and their use in genic therapy 
It also relates to { TAIL ~ variants } of { HEAD ~ the wild thymidine kinase } and their use in genic therapy
OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH