id	keyword
american_scientific_journal-3343	balance
american_scientific_journal-3343	payments
american_scientific_journal-3343	level
american_scientific_journal-3343	unit
american_scientific_journal-3343	root
american_scientific_journal-3343	rate
american_scientific_journal-3343	test
american_scientific_journal-3343	hypothesis
american_scientific_journal-3343	exchange
american_scientific_journal-3343	approach
american_scientific_journal-3343	variable
american_scientific_journal-3343	run
american_scientific_journal-3343	foreign