Ötzi the Iceman’s Stomach Bacteria Offers Clues on Human Migration. Wade, Nicholas, ARCHAEOLOGY AND ANTHROPOLOGY, Helicobacter Pylori (Bacterium), DNA (Deoxyribonucleic Acid), Europe, Maixner, Frank, Moodley, Yoshan, Zink, Albert, EURAC-Institute for Mummies and the Iceman, Italy, Research, Bacteria