Fatima, P., Debnath, B. C., Hossain, M. M., Rahman, D. and Banu, J. (2009) “Effect of smoking on blood and semen lead level in male partners of infertile couple”, Journal of Chittagong Medical College Teachers’ Association, 19(2), pp. 3–6. doi: 10.3329/jcmcta.v19i2.3862.