These durations were similar when esmolol groups were compared with only their controls group I vs. II and group III vs. IV.
Esos tiempos fueron similares cuando los grupos esmolol fueron comparados solamente con sus controles grupo I versus II y grupo III versus IV.
Esses tempos foram similares quando os grupos esmolol foram comparados somente com seus controles grupo Ivs. II e grupo IIIvs.