The greater selectivity of PF , compared with FK506 , at both the molecular and cellular levels may prove advantageous in manipulating T cell responses in vivo .
the greater selectivity of pf , compared with fk506 , at both the molecular and cellular levels may prove advantageous in manipulating t cell responses in vivo .
O O O O B-other_organic_compound O O O B-other_organic_compound O O O O O O O O O O O O O B-other_name I-other_name I-other_name O O O