Pirfenidone exerts anti-fibrotic effects through Inhibition of GLI transcription factors - Wygrecka, M; Didiasova, M; Singh, R; Wilhelm, J; Kwapiszewska, G; Wujak, L; Schaefer, L; Seeger, W; Kreuter, M; Lauth, M; Markart, P (Pneumologie, 2018)