{TAIL ~ Such cannulas} are preferred for use in {HEAD ~ the treatment} of acute CNS disorders, as described herein 
{ TAIL ~ Such cannulas } are preferred for use in { HEAD ~ the treatment } of acute CNS disorders , as described herein
TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH