Anwarul Azim, M., M. Musleh uddin Shahed, and M. Yousuf. “Demographic Profile and Upper Gastrointestinal Endoscopic Findings Among Children With Gastrointestinal Symptoms”. Chattagram Maa-O-Shishu Hospital Medical College Journal, vol. 22, no. 2, Nov. 2024, pp. 75-78, doi:10.3329/cmoshmcj.v22i2.77798.