organism: Mus musculus
attributes.tag: strain
attributes.value: B6.SJL-Ptprca Pepcb/BoyJ
attributes.tag: isolate
attributes.value: mouse 23
attributes.tag: age
attributes.value: 15-19 wks
attributes.tag: collection_date
attributes.value: 2022
attributes.tag: geo_loc_name
attributes.value: USA
attributes.tag: sex
attributes.value: female
attributes.tag: tissue
attributes.value: Spleen and lymph nodes
attributes.tag: biomaterial_provider
attributes.value: Michael Farzan
attributes.tag: cell_type
attributes.value: Primary B cell
attributes.tag: collected_by
attributes.value: Andi Pan
attributes.tag: BioSampleModel
attributes.value: Model organism or animal