A Four-Probiotics Regimen Combined with A Standard Helicobacter pylori-Eradication Treatment Reduces Side Effects and Increases Eradication Rates oleh Nikos Viazis, Konstantinos Argyriou, Katerina Kotzampassi, Dimitrios K. Christodoulou, Periklis Apostolopoulos, Sotirios D. Georgopoulos, Christos Liatsos, Olga Giouleme, Kanellos Koustenis, Christos Veretanos, Dimitris Stogiannou, Miltiadis Moutzoukis, Charalambos Poutakidis, Ioannis Ioardanis Mylonas, Ioulia Tseti, Gerassimos J. Mantzaris