Introduction: Considering the importance of co-culture in differentiation of embryonic stem cells. the aim of this study was evaluation of the effect of co-culturing fetal liver stroma cells with P19 cells on the line of differentiation. Materials and Methods: For this purpose. P19 cells were cultured directly in semisolid medium. https://snuzkihr396r.timeblog.net/70682642/statistics-of-smoke-sphericity-and-optical-properties-using-spaceborne-lidar-measurements