id	keyword
american_scientific_journal-9040	niloticus
american_scientific_journal-9040	fecundity
american_scientific_journal-9040	size
american_scientific_journal-9040	length
american_scientific_journal-9040	fish
american_scientific_journal-9040	maturity
american_scientific_journal-9040	oreochromis
american_scientific_journal-9040	kafue
american_scientific_journal-9040	species
american_scientific_journal-9040	andersonii
american_scientific_journal-9040	macrochir
american_scientific_journal-9040	total
american_scientific_journal-9040	journal