Kennemann, L., Brenneke, B., Andres, S., Engstrand, L., Meyer, T. F., Aebischer, T., Josenhans, C., & Suerbaum, S. (2012). In Vivo Sequence Variation in HopZ, a Phase-Variable Outer Membrane Protein of Helicobacter pylori. Infection and Immunity, 80(12), 4364-4373. doi:10.1128/IAI.00977-12.