RESULTS	Compared with the placebo group [ group 3 , ( 0.74 + / - 0.32 ) L ] , the FEV ( 1 ) in [ group 1 ( 0.87 + / - 0.23 ) L and in group 2 ( 0.93 + / - 0.30 ) L ] were significantly increased ( F = 4.53 , P < 0.05 ) .\