For citations:
Shmelev E.I., Beda M.V., Sones P.W., Thwaites R., Thwaites A.G. Life quality of patients with chronic obstructive pulmonary diseases. PULMONOLOGIYA. 1998;(2):79-81. (In Russ.)
Shmelev E.I., Beda M.V., Sones P.W., Thwaites R., Thwaites A.G. Life quality of patients with chronic obstructive pulmonary diseases. PULMONOLOGIYA. 1998;(2):79-81. (In Russ.)