What is an appropriate first-line treatment regimen for H. pylori infection?
-
Bismuth subsalicylate, ranitidine, and clarithromycin
-
Metronidazole and sucralfate
-
Omeprazole, amoxicillin, and clarithromycin
-
Omeprazole and bismuth subsalicylate
Omeprazole + amoxicillin + clarithromycin