organism: Mus musculus
attributes.tag: source_name
attributes.value: Peritoneal cavity, spleen and Peyer's patches
attributes.tag: tissue
attributes.value: Peritoneal cavity, spleen and Peyer's patches
attributes.tag: cell type
attributes.value: Tom+ and Tom- CD19+ B cells
attributes.tag: treatment
attributes.value: Day 19 time-stamped
attributes.tag: geo_loc_name
attributes.value: missing
attributes.tag: collection_date
attributes.value: missing