at the end of the terbutaline treatment periods , the mean trough terbutaline levels were 2.22 micrograms/l ( 9.9 +/- 4.4 nmol/l ) ( s-r terbutaline sulfate , 5 mg twice daily ) and 3.07 micrograms/l ( 13.7 +/- 5.4 nmol/l ) ( s-r terbutaline sulfate , 7.5 mg twice daily ) .
C0039542
terbutaline
C0039543
terbutaline sulfate