id	keyword
american_scientific_journal-5293	air
american_scientific_journal-5293	agar
american_scientific_journal-5293	study
american_scientific_journal-5293	rooms
american_scientific_journal-5293	hospital
american_scientific_journal-5293	contamination
american_scientific_journal-5293	infections
american_scientific_journal-5293	research
american_scientific_journal-5293	macconkey