For citations:
Koval’skiy G.B., Ariel' B.M., Volchkov V.A., Danilova I.A., Poliyevets A.G. To the issue of differential diagnosis of ANCA-positive generalized sarcoidosis and ANCA-associated polyangiitis. PULMONOLOGIYA. 2018;28(4):496-502. (In Russ.) https://doi.org/10.18093/0869-0189-2017-28-3-496-502