id	keyword
american_scientific_journal-696	paper
american_scientific_journal-696	currency
american_scientific_journal-696	sps
american_scientific_journal-696	notes
american_scientific_journal-696	contamination
american_scientific_journal-696	currencies
american_scientific_journal-696	paper currency
american_scientific_journal-696	health
american_scientific_journal-696	microorganisms
american_scientific_journal-696	money
american_scientific_journal-696	food
american_scientific_journal-696	handling
american_scientific_journal-696	spp
american_scientific_journal-696	potential
american_scientific_journal-696	staphylococcus
american_scientific_journal-696	research