Khan, S.I., Md Shafiqul Islam, Quazi Mehranuddin Ahmed, Mostak Ahmed, Md Sidur Rahman Mollah, Sharif Jayad Atique, Md Tofazzal Hussain, Rifat Subrina Anna, ASM Tanjilur Rahman and Ratan Kumar Saha 2024. Assessment of Sensitivity and Specificity of CEA in Primary Diagnosis of patients with Gastrointestinal Malignancy. Bangabandhu Sheikh Mujib Medical College Journal. 3, 2 (Sep. 2024), 70–73. DOI:https://doi.org/10.3329/bsmmcj.v3i2.75927.