For citations:
Brimkulov N.N., Vinnikov D.V. Smoking dependence in patients with chronic obstructive pulmonary disease. PULMONOLOGIYA. 2003;(3):20-24. (In Russ.)
Brimkulov N.N., Vinnikov D.V. Smoking dependence in patients with chronic obstructive pulmonary disease. PULMONOLOGIYA. 2003;(3):20-24. (In Russ.)