"There have been a couple of similar-sounding procedures before, but these didn't use the patient's own stem cells that were first cultured and expanded in laboratory and differentiated into bone tissue," said Riitta Suuronen of the Regea Institute of Regenerative Medicine, part of the University of Tampere. She told a news conference the patient was recovering more quickly than he would have if he had received a bone graft from his leg. "From the outside nobody would be able to tell he has been through such a procedure," she said. Read more at : http://news.yahoo.com/s/nm/20080201/hl_nm/finland_stemcells_dc;_ylt=AkgRDBWr4psUdBGUocwNuVkQ.3QA