For citations:

Zhukova O.V., Khokhlov A.L. Analysis of the long-term effectiveness of a drug in the treatment of a chronic disease is the basis of rational pharmacotherapy (on the example of the use of roflumilast in the treatment of chronic obstructive pulmonary disease). Kachestvennaya Klinicheskaya Praktika = Good Clinical Practice. 2020;(3):35-39. (In Russ.) https://doi.org/10.37489/2588-0519-2020-3-35-39