The latest advance,ugg on sale, published in the journal Nature Medicine,ugg boots sale, greatly multiplies the tiny number of cells from the cord ready for a transplant.
UK charity Leukaemia Research said this could be the "holy grail",clsssic mini boots; for doctors.
A technique which may eventually remove the need for matched bone marrow transplants has been used in humans for the first time.
It is hoped that "master cells" taken from umbilical cords could be used on any patient without rejection.
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