For citations:
Volkov A.G., Stagnieva I.V. Modern Diagnosis and Treatment of Frontal Sinus Diseases. Medical Herald of the South of Russia. 2012;(2):17-21. (In Russ.)
Volkov A.G., Stagnieva I.V. Modern Diagnosis and Treatment of Frontal Sinus Diseases. Medical Herald of the South of Russia. 2012;(2):17-21. (In Russ.)