Jamal, M. S.; Rahman, M. A.; Bhuiyan, T. M.; Azam, M.; Mahbub, S.; Rahman, M.; Mamoon, A. A. Study on Gastrointestinal Evaluation of Iron Deficiency Anaemia Patients Attending at BIRDEM Hospital. J. Bangladesh Coll. Phys. 2016, 33, 126-132.