Virus like particles vaccine compositions comprising {TAIL ~ HPV L1 proteins} or their functional relatives produced by using {HEAD ~ those modified genes} 
Virus like particles vaccine compositions comprising { TAIL ~ HPV L1 proteins } or their functional relatives produced by using { HEAD ~ those modified genes }
OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD