attributes.tag: source_name
attributes.value: Bone marrow
attributes.tag: tissue
attributes.value: Bone marrow
attributes.tag: cell line
attributes.value: hematopoietic stem cells
attributes.tag: cell type
attributes.value: stem cells
attributes.tag: genotype
attributes.value: Tespa1 mutant
attributes.tag: treatment
attributes.value: Isolation of hematopoietic stem cells from Tespa1 knock out mouse bone marrow
attributes.tag: geo_loc_name
attributes.value: missing
attributes.tag: collection_date
attributes.value: missing