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Figure S4. SCID phenotype of Lig4^-/- p53^p/p mice. Flow cytometry analyses of thymocytes, spleen, and lymph nodes (A) and BM cells, spleen, and lymph nodes (B) from a pair of 4-wk-old Lig4^-/- p53^p/p and Lig4^+/+ p53^p/p littermates. Cellularity of thymus and spleen are indicated under the FACS profile.