passages.id: split_4_validation_1673_passage
passages.type: progene_text
passages.text: A single injection of G-CSF formulated in PG ( 17 % poloxamer-407 and 5 % hydroxypropyl methylcellulose [ HPMC ] ) administered to BALB/c mice mobilized HPC significantly more rapidly to the spleen , but not the blood , than multiple injections of saline - formulated G-CSF .