title: Inhibition of CFU entry into cycle by a bone marrow extract.
mesh_terms: D000818:Animals; D001853:Bone Marrow / Q000502:physiology* / Q000528:radiation effects; D001854:Bone Marrow Cells; D002417:Cattle; D002455:Cell Division / Q000528:radiation effects; D002999:Clone Cells; D004247:DNA / Q000096:biosynthesis; D008110:Liver Extracts / Q000494:pharmacology; D051379:Mice; D008808:Mice, Inbred CBA; D013949:Thymus Extracts / Q000494:pharmacology; D014020:Tissue Extracts / Q000494:pharmacology*
chemical_list: D008110:Liver Extracts; D013949:Thymus Extracts; D014020:Tissue Extracts; D004247:DNA