KH Ryu, HY Shin, HS Ahn, YJ Kim, SY Woo and JY Seoh (2004) “Comparison of efficiency of ex vivo expansion of whole blood, mononuclear cells and purified CD34+ cells from human umbilical cord blood”, Haematologica. Pavia, Italy, 89(5), pp. 606-607. doi: 10.3324/%x.