Antibiotic resistance and heteroresistance in Helicobacter pylori isolates from symptomatic Vietnamese children: A prospective multicenter study. - Nguyen, Tu Cam; Le, Giao Kim Ngoc; Pham, Dao Thi Hong; Pham, Bao Van; Nguyen, Loan Thi Hong; Che, Thai Hoang; Nguyen, Hiep Thanh; Truong, Dinh Quang; Robert, Annie; Bontems, Patrick; Nguyen, Phuong Ngoc Van (Helicobacter, 2023)