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  Indian J Med Microbiol
 

Figure 1: Assignment of patients included in the study according to study design. Note: HME: Humidity exchanger filter; TIVA: total intravenous anesthesia.

<b>Figure 1: Assignment of patients included in the study according to study design.</b>
Note: HME: Humidity exchanger filter; TIVA: total intravenous anesthesia.