Pre-Clinical Studying of Antitumor Ramon Preparation: Specific Activity Year: 2013 Volume: 7 Issue: 8 461 - 465 Pages Authors: Raissa A. Muzychkina Irina M. Korulkina Dmitriy Yu. Korulkin Abstract: In article the data of pre-clinical researches of Ramon preparation is described. Antitumor activity of Ramon has been studied on 19 strains of transplantated tumors of different hystogenesis. Keywords: Cancer antitumor activity pre-clinical testing anthraquinones phytopreparation Ramon.