For citations:
Lenshin A.V., Ignat’eva E.A., Il’in A.V., Perelman J.M. To the question of reforming the classification of thoracic sarcoidosis. Bulletin Physiology and Pathology of Respiration. 2021;(79):8-20. (In Russ.) https://doi.org/10.36604/1998-5029-2021-79-8-20