Pereira, C.F.

cancer study jarid pylori patient metaplasia gastriti lesion dysplasia level helicobacter jarid 2 evidence eradication pepsinogen es cells pylori eradication serum atrophy diagnosis recommendation endoscopy gastroenterol biopsy follow-up population endoscopic helicobacter pylori infection grade precancerou gastroenterology result condition group porto development portugal progression target screening carcinoma infection wild-type surveillance system information society department premalignant virchow helicobacter pylori precancerous lesions differentiation analysis mouse promoter statement wild-type es cells di mario f classification helicobacter pylori eradication 2-2 epithelial dysplasia dinis-ribeiro kuiper trial pathology mucosa aliment pharmacol cohort method university /lesion pathol assessment extent factor antibody value 0.0