Modified sequential Helicobacter Pylori eradication therapy using high dose omeprazole and amoxicillin in the initial phase in the extensive metaboliser turkish patients for CYP2C19 polymorphism is ineffective Unknown Author(s) Abstract <p> </p> Download PDF SUBMIT YOUR MANUSCRIPT Open Access Journal This is an open access journal which means that all content is freely available without charge to the user or his/her institution. Indexing