Steen, K.S.S.

pylori patient eradication study group nsaid helicobacter placebo pylori eradication therapy therapy placebo group ulcer helicobacter pylori infection helicobacter pylori eradication group pylori eradication month treatment pylori igg-antibody titers infection gastriti nsaid treatment result disease titer 3 months culture 12 months trial e ffect netherland biopsy nsaid users center gastroprotective helicobacter pylori eradication pylori infection histology gastroduodenal change difference igg-antibody omeprazole 20 mg rheumatology gastroduodenal ulcers endoscopy corpus flammatory randomized sensitivity number gastroenterol specificity eradication therapy testing serology department university baseline gastroprotective drugs stain resistance vu university specimen antrum biopsy specimens study medication clarithromycin table signi leest metronidazole arthritis atrophy percent change gastroenterology ihc stains test results score anti-in