For citations:
Bogomazov A.M., Golovko E.B., Zgryadsky E.A. Incidence of hemorrhoid occurrence risk factors and definition of the relationship between hemorrhoids and chronic vein diseases. Results of the russian part of the international program CHORUS. Ambulatornaya khirurgiya = Ambulatory Surgery (Russia). 2017;(3-4):94-104. (In Russ.)

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