Pikas, P. B. “Features of Metabolic Changes of Lipids in Serum of Blood in Patients With Polyps of Intestine and Stomach”. Biomedical and Biosocial Anthropology0, no. 27 (March 31, 2017): 149-154. Accessed April 18, 2021. https://bba-journal.com/index.php/journal/article/view/204.