A method 3, wherein said mixture is used in {TAIL ~ a mixing ratio} of {HEAD ~ formoterol} to the total mixture of from 1:10 to 1:500 
A method 3 , wherein said mixture is used in { TAIL ~ a mixing ratio } of { HEAD ~ formoterol } to the total mixture of from 1:10 to 1:500
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH