Thosani, Nirav, et al. “Wide Spectrum of Neuroendocrine Differentiation in Identical Appearing Colon Polyps: A Report of 2 Mixed Endocrine-Glandular Polyps”. Turkish Journal of Gastroenterology, vol. 25, no. 1, Jan. 2014, pp. 242-3, doi:10.5152/tjg.2014.5193.