Representative autoradiographic image of vWF multimers from a subject receiving rHuG-CSF. The origin of the gel is at the top. Lane 1, normal plasma pool; lane 2, plasma from the subject before the rHuG-CSF administration (T0); lane 3, plasma from the subject after 2 days rHuG-CSF administration (T1); lane 4, plasma from the subject after 5 days rHuG-CSF administration (T2).