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