Chheda, Y. P., D. Arora, and R. Patel. “A Retrospective Analysis of Neuroendocrine Tumour of Pancreas: A Single Institute Study”. International Journal of Research in Medical Sciences, vol. 3, no. 11, Jan. 2017, pp. 3041-5, doi:10.18203/2320-6012.ijrms20150928.