{HEAD ~ The present invention} relates to a method and {TAIL ~ a system} for controlling breathing of a patient 
relates to
{ HEAD ~ The present invention } relates to a method and { TAIL ~ a system } for controlling breathing of a patient
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH