A novel 20-kilodalton protein conserved in Babesia bovis and B - Brown, WC; Ruef, BJ; Norimine, J; Kegerreis, KA; Suarez, CE; Conley, PG; Stich, RW; Carson, KH; Rice-Ficht, AC (bigemina stimulates memory CD4+ T lymphocyte responses in B. bovis-immune cattle. Mol Biochem Parasitol, 2001)