For citations:
Kalashnik DN, Korolchuk IS. Comorbid patient with chronic obstructive pulmonary disease and coronary heart disease: opportunities for early diagnosis of pulmonary hypertension in outpatient settings. Meditsinskiy sovet = Medical Council. 2021;(12):146-153. (In Russ.) https://doi.org/10.21518/2079-701X-2021-12-146-153