attributes.tag: source_name
attributes.value: GFP- sorted from bone chip culture
attributes.tag: tissue
attributes.value: GFP- sorted from bone chip culture
attributes.tag: cell type
attributes.value: heterogeneous GFP negative population
attributes.tag: treatment
attributes.value: osteogenic differentiation
attributes.tag: geo_loc_name
attributes.value: missing
attributes.tag: collection_date
attributes.value: missing