id	keyword
american_scientific_journal-5194	hcv
american_scientific_journal-5194	patients
american_scientific_journal-5194	hepatitis
american_scientific_journal-5194	hbv
american_scientific_journal-5194	hemodialysis
american_scientific_journal-5194	infection
american_scientific_journal-5194	virus
american_scientific_journal-5194	anti