id	keyword
american_scientific_journal-1203	pcbs
american_scientific_journal-1203	pbde
american_scientific_journal-1203	locus
american_scientific_journal-1203	vol
american_scientific_journal-1203	niayes
american_scientific_journal-1203	populations
american_scientific_journal-1203	melanotheron
american_scientific_journal-1203	pollutants
american_scientific_journal-1203	sciences