A total of 37 chronic , severe , nonsmoking asthmatic patients with documented reversible airways obstruction were classified as glucocorticoid-sensitive or -resistant on the basis of changes in FEV1 , FVC , and peak expiratory flow ( PEF ) after oral prednisolone .
a total of 37 chronic , severe , nonsmoking asthmatic patients with documented reversible airways obstruction were classified as glucocorticoid-sensitive or -resistant on the basis of changes in fev1 , fvc , and peak expiratory flow ( pef ) after oral prednisolone .
O O O O O O O O B-multi_cell I-multi_cell B-multi_cell O O O O O O O O O O O O O O O O O B-other_name O B-other_name O O B-other_name I-other_name I-other_name O B-other_name O O B-lipid B-lipid O