id	keyword
american_scientific_journal-1692	sludge
american_scientific_journal-1692	urine
american_scientific_journal-1692	lacto
american_scientific_journal-1692	emergency
american_scientific_journal-1692	sanitation
american_scientific_journal-1692	research
american_scientific_journal-1692	lab
american_scientific_journal-1692	technology
american_scientific_journal-1692	malawi
american_scientific_journal-1692	toilet
american_scientific_journal-1692	sciences
american_scientific_journal-1692	site
american_scientific_journal-1692	tps