[Retracted] Effect of Stellate Ganglion Block Combined with Lidocaine at Different Concentrations for Preemptive Analgesia on Postoperative Pain Relief and Adverse Reactions of Patients Undergoing Laparoscopic Cholecystectomy

Table 2

Onset time and duration ().

Group		Onset time (min)	Duration (min)
A	30
B	30
C	30

Both and # indicate versus group A.