Rat splenocytes were found to have greater sensitivity to MPL ( EC50 = 7 . 9 nM ) than do human peripheral blood lymphocytes ( EC50 = 28 nM ) .
rat splenocytes were found to have greater sensitivity to mpl ( ec50 = 7 . 9 nm ) than do human peripheral blood lymphocytes ( ec50 = 28 nm ) .
B-cell_type I-cell_type O O O O O O O B-lipid O O O O O O O O O O B-cell_type I-cell_type I-cell_type I-cell_type O O O O O O O