P052 Severe anemia as rare onset clinical sign of cystic fibrosis. Issue 4 (6th October 2018) - Bongiovanni, A.; Motta, M.; Parisi, G.F.; Papale, M.; Franzonello, C.; Sauna, A.; Sapuppo, A.; Tardino, L.; Rotolo, N.; Spina, M.; Leonardi, S.