[Reactions of in vitro cultures of human fibroblasts, of HeLa-cells and of murine L-cells on application of a drug from Viscum album L. (author's transl)].

Helixor, a drug from the mistletoe, reduces in vitro the growth of the permanent human HeLa-cell line and the growth of the permanent mouse L-cell line more than the growth of human fibroblast strains with limited capacity of propagation in vitro.