COMPARATIVE RESEARCH OF PARAMETERS OF ALTERNATION Т-WAVE WITH USE OF DEVICES "HEARTVUETM 6S" AND "CAMBRIDGE HEART" (CH-2000) ArticleIvanov G.G., Sula A.S., Strelnikova Ju.N., Zenova, Elgaili A., Ahmed M.Функциональная диагностика. 2009. С. 6-14