Comparison of sequential therapy and standard triple therapy for the first-line eradication of Helicobacter pylori, Moradniani Mosayeb, Azadbakht Saleh, Ghaderi Nishtman, Mirbeik Sabzevari Zohre, Ghafoori Seyed Mohammad Sadegh, Agah Shahram, International Journal Of Pure Medical Research, Volume : 2, Issue : 12, December - 2017