{HEAD ~ The recombinant expression vector} 1, wherein said {TAIL ~ nucleic acid sequence} of interest encodes a factor IX protein 
{ HEAD ~ The recombinant expression vector } 1 , wherein said { TAIL ~ nucleic acid sequence } of interest encodes a factor IX protein
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH REL OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH