organism: Mus musculus
attributes.tag: breed
attributes.value: C57BL/6J
attributes.tag: age
attributes.value: 12-13 weeks
attributes.tag: dev_stage
attributes.value: not applicable
attributes.tag: collection_date
attributes.value: 2021-07-21
attributes.tag: geo_loc_name
attributes.value: USA
attributes.tag: sex
attributes.value: male
attributes.tag: tissue
attributes.value: spleen
attributes.tag: cell_type
attributes.value: T cell
attributes.tag: treatment
attributes.value: Immune-Educated-3
attributes.tag: BioSampleModel
attributes.value: Model organism or animal