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. 2001 Mar;69(3):1630–1634. doi: 10.1128/IAI.69.3.1630-1634.2001

FIG. 1.

FIG. 1

C. parvum ELISA results (mean + 1 SD) for CD40−/− C57BL/6 mice infected with 106 C. parvum oocysts. ▴, CD40−/− mice, unmanipulated; ▵, CD40−/− mice transplanted with C57BL/6+/− bone marrow; ■, CD40−/− mice transplanted with CD40−/− marrow; □, CD40+/− mice transplanted with CD40−/− marrow. OD, optical density.