Availability of stem cells improved

Long ago, stem cells successfully used to treat leukemia and other similar diseases of the hematopoietic system. However, there is a problem here: the availability of the valuable stem cells viz. To lymphoma or leukemia sufferers often wait months on, transplants, some in vain even. And that, even with umbilical cord blood in addition to bone marrow another "source for obtaining" of stem cells is available. So-called stem cell banks, stem cells cryopreserved preserve any case, this refers to the storage of cells by freezing in liquid nitrogen.