Haque, M. A., Rashid, M. H. O., Alim, M. A., Khan, M., Mahmood, I. and Haque, M. Z. (2010) “Occult Hepatitis B : A Hidden Threat”, TAJ: Journal of Teachers Association, 23(1), pp. 109–113. doi: 10.3329/taj.v23i1.41153.