{HEAD ~ The markers} were identified by distinguishing {TAIL ~ the serum protein profile} in ovarian cancer patients from healthy individuals using SELDI analysis 
{ HEAD ~ The markers } were identified by distinguishing { TAIL ~ the serum protein profile } in ovarian cancer patients from healthy individuals using SELDI analysis
HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH