A team of Korean researchers claimed Thursday they had performed a miracle by enabling a patient, who could not even stand up for the last 19 years, to walk with stem cell therapy. During a press conference, the scientists said they had last month transplanted multi-potent stem cells from umbilical cord blood to the 37-year-old female patient suffering from a spinal cord injury and she can now walk on her own. The team was co-headed by Chosun University professor Song Chang-hun, Seoul National University professor Kang Kyung-sun and Han Hoon, Ph.D, from the Seoul Cord Blood Bank (SCB). ``The stem...