The duration of the treatment is 70 minutes.
The duration of the treatment is 90 minutes.
The duration of the treatment is 90 minutes.
The duration of the treatment is 3 hours.
The duration of the treatment is 80 minutes.
The duration of the treatment is 60 min.
The duration of the treatment is 60 minutes.
The duration of the treatment is 60 minutes.
The duration of the treatment is 30 or 45 minutes.