Barua, Ripon, and Jogendra Nath Sarker. “Faecal Calprotectin: A Reliable Biomarker in Inflammatory Bowel Disease”. Journal of Dhaka National Medical College & Hospital, vol. 19, no. 2, Sept. 2013, pp. 58-64, doi:10.3329/jdnmch.v19i2.77745.