Helicobacter pylori overcomes natural immunity in repeated infections. - Stenström, Björn; Windsor, Helen M.; Fulurija, Alma; Benghezal, Mohammed; Kumarasinghe, M. Priyanthi; Kimura, Kazufumi; Tay, Chin Yen; Viiala, Charlie H.; Ee, Hooi C.; Lu, Wei; Schoep, Tobias D.; Webberley, K. Mary; et al. (Clinical Case Reports, 2016)