Regeda, M. S., et al. “The Features of State Changes of Proteinase- Inhibitory System in the Lungs of Guinea Pigs in the Early Period of Experimental Bronchial Asthma”. Journal of Education, Health and Sport, vol. 5, no. 11, Nov. 2015, pp. 419-26, https://apcz.umk.pl/JEHS/article/view/3110.