Single vs. twice daily G-CSF dose for peripheral blood stem cells harvest in normal donors and children with non-malignant diseases. - Lee ,V.; Li ,C.K.; Shing ,M.M.; Chik ,K.W.; Li ,K.; Tsang ,K.S.; Zhao ,D.C.; Lai ,D.H.; Wong ,A.; Yuen ,P.M. (Bone Marrow Transplant, 2000)