For citations:
Chesca A..., Sandle T..., Akhayeva A.S., Marchenko A.B. MEDICAL DATA ON COPD. Medicine and ecology. 2018;(1):82-85. (In Russ.)
Chesca A..., Sandle T..., Akhayeva A.S., Marchenko A.B. MEDICAL DATA ON COPD. Medicine and ecology. 2018;(1):82-85. (In Russ.)