For citations:

Yegorova Ye.A., Grigoriyeva V.N. Comparative analysis of cognitive functions in patients with episodic and chronic tension-type headache combined with psychovegetative syndrome and cerebrovascular disorders. Bulletin of Siberian Medicine. 2008;7(5-1):128-131. (In Russ.) https://doi.org/10.20538/1682-0363-2008-5-1-128-131