(ECSTL)is CURATIVE. Doug Melton, PH.D.of Harvard University found the way to differentiate the pre-cancerous embryonic stem cells was acieved in a petre dish. Use the(NIH)for credability. The problem these researches face is that there is true interference from Political and Religious elements. I agree entirely with you that Tumor formation, rejection will occur with undiferenated (ECSCL) however, Dr. Melton states they solve this delemma. Please reply