Nadira Mamoon, Hania Naveed, Mariam Abid, Humaira Nasir, Imran Nazir Ahmad, Zujajah Hameed, and Asna Haroon Khan. “Gastroenteropancreatic Neuroendocrine Tumors: Clinicopathological Evaluation at Shifa International Hospital, Islamabad. A Single Centre Experience”. Journal of the Pakistan Medical Association, vol. 71, no. 2, Nov. 2020, pp. 492-6, doi:10.47391/JPMA.835.