tokens: Endoscopic examinations , peripheral white blood cell ( WBC ) counts , and assays of myeloperoxidase activity ( MPO ) in homogenates of colon mucosa were performed after one week ( 4 % DSS model ) and eight weeks ( 1 % DSS model ) .
folded_tokens: endoscopic examination , peripheral white blood cell ( WBC ) count , and assay of myeloperoxidase activity ( MPO ) in homogenate of colon mucosa be perform after one week ( 4 % dss model ) and eight week ( 1 % dss model ) .