For citations:
Fesenko O.V., Lyapkova N.B., Osminina A.Yu., Chernov M.Yu., Romanov V.P., Fursov A.N., Drozd M.V., Pop V.P. Difficulties in diagnosing and treating AL amyloidosis: a case from practice. PULMONOLOGIYA. 2025;35(4):568-576. (In Russ.) https://doi.org/10.18093/0869-0189-2025-35-4-568-576