Ubhayawardana, D. L; Weerasekera, M. M; Weerasekera, D. D; Gunasekera, T. D; Fernando, S. S
(2015)
Background: Infection with Helicobacter pylori is considered as a major cause of chronic gastritis, peptic ulcer disease and gastric cancer. More than half of the world’s population is infected with H. pylori. In Sri Lanka ...