Molecular detection of hepatitis B virus genotype E with immune escape mutations in chronic hepatitis B patients on long-term antiviral therapy in Jos, Nigeria oleh Joseph Anejo-Okopi, Edith Okeke, Pantong M. Davwar, Chika Onwuamah, Harris Onywera, Patience Omaiye, Mary Duguru, Ocheme J. Okojokwu, Otobo I. Ujah, Bulus Jonathan, Chima A. George, Ramyil S. Crown, Fiyaktu B. Yakubu, Judith O. Sokei, Leona C. Okoli, Onyemocho Audu, Seth C. Inzaule, Isaac O. Abah, Patricia Agaba, Oche O. Agbaji, Atiene S. Sagay, Claudia Hawkins