Drupal-Bibcite0<style face="normal" font="default" size="100%">Clinically apparent Helicobacter pylori infection and the risk of incident Alzheimer's disease: A population-based nested case-control study</style><style face="normal" font="default" size="100%">Clinically apparent Helicobacter pylori infection and the risk of incident Alzheimer's disease: A population-based nested case-control study</style>