P.01.7 EFFICACY OF TREATMENT WITH PYLERA® IN COMBINATION WITH RANITIDINE ON FIRST-LINE INFECTION HELICOBACTER PYLORI: EXPERIENCE OF A SINGLE CENTER. Issue 2 (15th March 2018) - Ciccaglione, A.F.; Vecchione, V.; Russo, N.; Di Giacomo, C.; Grossi, L.; Marzio, L.