Figure 1: Outline of formation of EBs from Bjnhem20 cells and differentiation to alveolar epithelial cells in SAGM. Differentiation of BJNhem19 and BJNhem20 cells to lung epithelial cell – specific lineage. An outline of formation of EBs from BJNhem19 and BJNhem20 and differentiation to alveolar epithelial cells in SAGM and BEGM [22]