id	keyword
american_scientific_journal-4977	elasticity
american_scientific_journal-4977	extract
american_scientific_journal-4977	test
american_scientific_journal-4977	levels
american_scientific_journal-4977	centella
american_scientific_journal-4977	asiatica
american_scientific_journal-4977	week
american_scientific_journal-4977	average
american_scientific_journal-4977	research