Diaz, C, CJ O’Callaghan, A Khan, and A. Ilchyshyn. 2003. “Rosacea: A Cutaneous Marker of Helicobacter Pylori Infection? Results of a Pilot Study”. Acta Dermato-Venereologica 83 (4):282-86. https://doi.org/10.1080/00015550310016544.