Transplantation of embryonal nerve tissues in the treatment of Parkinson disease

: The authors describe the results of experimental studies of transplants of embryonal nervous tissues of man in the brain of adult animals. Base the use of transplantation of the embryonal dopaminergic structures for the treatment of patients suffering from parkinsonism. Provide the first results of the treatment of 2 patients suffering from parkinsonism by means of transplanting parts of the medium cerebral vesicle of human embryos. The observation period amounts to 6 months.