Assertion: intestine's type | /r/HasProperty | gram-negative spiral bacterium
Facets:
Source sentences:
text: The main bacterial inhabitants of the stomach include: Streptococcus, Staphylococcus, Lactobacillus, Peptostreptococcus, and types of yeast.:720 Helicobacter pylori is a gram-negative spiral bacterium that establishes on gastric mucosa causing chronic gastritis and peptic ulcer disease and is a carcinogen for gastric cancer.:904