[Xenogeneic transplantation of human tumors (author's transl)]

The submitted review describes the xenogeneic transplantation of human tumors. The following methods are presented with special regard to the qualification for chemotherapeutic experiments: Transplantation into immunologically privileged sites, new-born animals, experimentally immunosuppressed animals, nude mice, lasat mice, nude rats. Considering the immense amount of papers published recently only selected references could be included in the bibliography.