Authors: Obinna O Nwankiti; James A Ndako; Georgebest On Echeonwu; Atanda O Olabode; Chika I Nwosuh; Ema M Onovoh; Lilian A Okeke; Jumoke O Akinola; Boniface N Duru; Ijeoma O Nwagbo; Godwin O Agada; Anthony A Chukwuedo Journal: Virol J Date: 2009-07-20 Impact factor: 4.099