{TAIL ~ The assay} may be employed to detect an endogenous leukocyte elastase produced fibrinogen cleavage peptide signal in normal human plasma and at elevated levels in {HEAD ~ cystic fibrosis plasma} and in rheumatoid arthritis synovial fluid samples 
{ TAIL ~ The assay } may be employed to detect an endogenous leukocyte elastase produced fibrinogen cleavage peptide signal in normal human plasma and at elevated levels in { HEAD ~ cystic fibrosis plasma } and in rheumatoid arthritis synovial fluid samples
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