Yanko R, Levashov M, Chaka E, Litovka I. Effect of intermittent normobaric hypoxia on the morphological changes in the respiratory part of lungs in different seasons of the year. J Educ Health Sport [Internet]. 2018 May 31 [cited 2025 Jun. 28];8(5):244-52. Available from: https://apcz.umk.pl/JEHS/article/view/5554