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  Indian J Med Microbiol
 

Figure 2: Changes of systolic blood pressure and diastolic blood pressure in the two groups (Data illustrated in this figure are mean values and their standard deviation. *OP: Operation. Before operation is the means the time interval of 30 min prior to the operation and after operation means at the end of the surgery, **Group P: Patients who received propofol + fentanyl, ***Group M: Patients who received midazolam + fentanyl)

Figure 2: Changes of systolic blood pressure and diastolic blood pressure in the two groups (Data illustrated in this figure are mean values and their standard deviation. *OP: Operation. Before operation is the means the time interval of 30 min prior to the operation and after operation means at the end of the surgery, **Group P: Patients who received propofol + fentanyl, ***Group M: Patients who received midazolam + fentanyl)