For citations:
Postnikova L.B., Gudim A.L., Kostrov V.A., Dorovskoy I.A., Soodayeva S.K., Popova N.A. Diagnostic role of cardiopulmonary exercise testing in patients with sarcoidosis. PULMONOLOGIYA. 2018;28(6):736-745. (In Russ.) https://doi.org/10.18093/0869-0189-2018-28-6-736-745