title: Saprobic organisms causing retropharyngeal abscess.
mesh_terms: D000038:Abscess / Q000209:etiology*; D000328:Adult; D001424:Bacterial Infections; D002177:Candidiasis; D005260:Female; D006801:Humans; D009343:Neisseria; D010608:Pharyngeal Diseases / Q000209:etiology*