Makarova, G. V., and A. A. Avramenko. “The Frequency of Detection of Various Forms of Deforming Bronchitis During Endoscopic Examination of Patients With Bleeding from the Broncho-Pulmonary System”. Journal of Education, Health and Sport 8, no. 11 (November 30, 2018): 617–624. Accessed May 6, 2024. https://apcz.umk.pl/JEHS/article/view/6504.