The process includes obtaining a test spectrum produced by a mass spectrometer from {HEAD ~ a serum} of {TAIL ~ a patient} 
of
The process includes obtaining a test spectrum produced by a mass spectrometer from { HEAD ~ a serum } of { TAIL ~ a patient }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL