id	keyword
american_scientific_journal-1687	small
american_scientific_journal-1687	bowel
american_scientific_journal-1687	enterography
american_scientific_journal-1687	disease
american_scientific_journal-1687	crohn
american_scientific_journal-1687	sicus
american_scientific_journal-1687	patients
american_scientific_journal-1687	contrast
american_scientific_journal-1687	enteroscopy