Key factors for the differentiation of embryonic and induced pluripotent stem cells into respiratory epithelial cells - Mauritz, C; Schmeckebier, S; Katsirntaki, K; Sgodda, M; Puppe, V; Duerr, J; Schubert, S; Schmiedl, A; Ochs, M; Cantz, T; Mall, M; Martin, U (Pneumologie, 2012)