in 38 , ritodrine infusions ( 0.2 gm/min ) had failed to arrest preterm labor and they were then given ethanol with ritodrine ( 0.2 gm/min ) the dose of ethanol was 0.11 gm/kg/hour on the average , which is approximately equivalent to the metabolic rate .
C0022876
preterm labor
C0035661
ritodrine