Department of Gastroenterology Dr. Mohammad Reazul KarimProfessor & HeadGastroenterologyMymensingh Medical College Hospital 01711174008Dr. Mohammad Shah AlamAssociate ProfessorGastroenterologyMymensingh Medical College Hospital 01712631044Dr. Md. Saiful MalekAssociate ProfessorGastroenterologyMymensingh Medical College Hospital 01912200505