Harizanov, Rumen, et al. “RARE CASE OF ASCARIASIS DETECTED BY COLONOSCOPY ON THE BACKGROUND OF ELEVATED LEVELS OF FECAL CALPROTECTIN”. PROBLEMS of Infectious and Parasitic Diseases, vol. 51, no. 3, Jan. 2024, pp. 24-27, https://doi.org/10.58395/7x6e3005.