Absence of anemia in VavCre;Smad4fl/fl mice. Peripheral blood parameters were determined in 10-week-old mice. VavCre;Smad4fl/fl (Δ/Δ), VavCre;Smad4fl/+ (Δ/+), and Smad4fl/fl (fl/fl). Dots represent the values of individual mice; horizontal lines indicate the mean.