after 18 hours of exposure to culture medium containing 4 percent of this perfluorochemical emulsion , normal embryonic lung fibroblasts ( imr 90 cells ) and their sv40 virus-transformed counterparts ( ag 2804 cells ) ceased proliferation and showed degenerative changes , even if fluosol was washed off the cell monolayer and replaced with normal medium .
C0016030
fibroblasts
C0007634
cells