For citations:
Bukreeva E.B., Bogushevich S.A., Dementieva E.A., Chernogoryuk G.E., Nesterovich S.V., Seitova G.N., Buikin S.V. Exogenic and endogenic factors in chronic obstructive pulmonary disease forming. Bulletin of Siberian Medicine. 2003;2(1):75-77. (In Russ.) https://doi.org/10.20538/1682-0363-2003-1-75-77