In some embodiments, {TAIL ~ the virtual anesthesia monitor} is a virtual BIS monitor for producing {HEAD ~ a BIS value} responsive to the combined BIS signal 
In some embodiments , { TAIL ~ the virtual anesthesia monitor } is a virtual BIS monitor for producing { HEAD ~ a BIS value } responsive to the combined BIS signal
OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH