The variability of response even to the most narrowly targeted agents suggests that these diseases are far more heterogeneous in humans than in their murine counterparts .
the variability of response even to the most narrowly targeted agents suggests that these diseases are far more heterogeneous in humans than in their murine counterparts .
O O O O O O O O O O O O O O O O O O O O B-multi_cell O O O B-multi_cell I-multi_cell O