Effect of Curosurf
® on viability and DNA synthesis. Cells were exposed to 10 mg/ml Curosurf® for 0.5, 4.0 and 24 h as described. A: Viability as percentage of control. B: DNA synthesis as percentage of control. Bars represent mean + SEM of 3 independent experiments. * P <0.05 vs. control. MPII: mouse type II (iMATII) cells, RPII: rat type II cells.