id	keyword
american_scientific_journal-7021	fever
american_scientific_journal-7021	burnetii
american_scientific_journal-7021	infection
american_scientific_journal-7021	acute
american_scientific_journal-7021	coxiella
american_scientific_journal-7021	phase
american_scientific_journal-7021	diagnosis
american_scientific_journal-7021	detection
american_scientific_journal-7021	sensitivity