endothelial cells
The       percentage of cells that were positive for eNOS and iNOS was estimated in five       hundred endothelial cells, synovial lining cells and interstitial cells,       respectively.
The       percentage of cells that were positive for eNOS and  @OBJECT$  was estimated  @PREDICAT$  five       hundred  @SUBJECT$ , synovial lining cells and interstitial cells,       respectively.