Changes in 13C-aminopyrine breath test predict liver-related events and death in patients with HCV-related previous decompensated child A5 or child A6 to B cirrhosis who achieve SVR after DAA therapy. (February 2019) - Petta, S.; Rini, F.; Calvaruso, V.; Cammà, C.; Ciminnisi, S.; Di Marco, V.; Giannini, E.; Grimaudo, S.; Pipitone, R.M.; Craxì, A.