YakimovaТ.; TSIVENCO, A.; PROSENCO, E.; TOMIN, M. PATHOMORPHOSIS SOFT TISSUE OF ANODERM IN HEMORRHOIDECTOMY WITH ULTRASONICALLY ACTIVATED SCALPEL AND ELECTROCOAGULATOR. The Journal of V. N. Karazin Kharkiv National University, series "Medicine", n. 11, p. 42-47, 11.