Markovskiy, V. D., V. V. Zaharenko, I. V. Sorokina, O. N. Pliten, M. S. Myroshnychenko, and A. S. Shapkin. 2013. “Clinical and Morphological Features of Carcinoid Tumors”. Морфологія / Morphologia / Morfologìâ 7 (3):10-15. https://doi.org/10.26641/1997-9665.2013.3.10-15.