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