tokens: Interleukin ( IL ) 6 levels were determined by enzyme-linked immunosorbent assay ( ELISA ) .
folded_tokens: interleukin ( il ) 6 levels were determined by enzyme-linked immunosorbent assay ( elisa ) .
labels: O O O O O O O O O B-other_name I-other_name I-other_name O B-other_name O O