1. Association between Selected Oral Pathogens and Gastric Precancerous Lesions Salazar, Christian Ricardo; Sun, Jinghua; Li, Yihong; Francois, Fritz; Corby, Patricia; Perez-Perez, Guillermo; Dasanayake, Ananda; Pei, Zhiheng; Chen, Yu 2013 Articles Precancerous conditionsTeeth--DiseasesPathogenic bacteriaPeriodontal diseaseDentistry