TY - RPRT TI - Differences in surface-exposed antigen expression between Helicobacter pylori strains isolated from duodenal ulcer patients and from asymptomatic subjects. AU - A C Thoreson AU - A Hamlet AU - J Celik AU - M Byström AU - S Nyström AU - L Olbe AU - A M Svennerholm PY - 2000 DO - 10.1128/jcm.38.9.3436-3441.2000 UR - https://pubmed.ncbi.nlm.nih.gov/10970397/ ID - 10970397 ER -