the concentration of exogenous ach needed to reduce the spontaneous frequency of contractions of the isolated right atrium by 30 , 60 , or 90/min fell by 78 % , 79 % and 84 % respectively after bw 284 c51 inhibition of ache and by 95 % , 94 % and 94 % after simultaneous inhibition of ache and buche .
C0001044
ache
C0008429
buche