For citations:
Leshchenko I.V., Zaytsev A.A. N-acetylcysteine – a drug for basic and symptomatic therapy of chronic bronchitis/chronic obstructive pulmonary disease. PULMONOLOGIYA. 2024;34(5):756-765. (In Russ.) https://doi.org/10.18093/0869-0189-2024-34-5-756-765