Các yếu tố nguy cơ liên quan đến nhiễm helicobacter pylori CAC-YEU-TO-NGUY-CO-LIEN-QUAN-DEN-NHIEM–HELICOBACTER-PYLORI.pdf Attachments Cac-yeu-to-nguy-co-lien-quan-den-nhiem--helicobacter-pylori.pdf (326 kB)
