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LAZARUK, T. and FEDIV, O. Assessment of bioelectrical impedance analysis in patients with chronic pancreatitis and chronic obstructive pulmonary disease considering exocrine pancreatic insufficiency. Journal of Education, Health and Sport. Online. 29 January 2021. Vol. 11, no. 1, pp. 219-224. [Accessed 14 January 2025]. DOI 10.12775/JEHS.2021.11.01.021.