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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 10 June 2026]. DOI 10.12775/JEHS.2021.11.01.021.