id	keyword
american_scientific_journal-4981	water
american_scientific_journal-4981	drinking
american_scientific_journal-4981	test
american_scientific_journal-4981	journal
american_scientific_journal-4981	vol
american_scientific_journal-4981	research
american_scientific_journal-4981	coli
american_scientific_journal-4981	16s
american_scientific_journal-4981	isolates