id	keyword
american_scientific_journal-1226	irradiation
american_scientific_journal-1226	laser
american_scientific_journal-1226	volume
american_scientific_journal-1226	laser irradiation
american_scientific_journal-1226	films
american_scientific_journal-1226	thin
american_scientific_journal-1226	pages
american_scientific_journal-1226	journal
american_scientific_journal-1226	properties
american_scientific_journal-1226	minutes
american_scientific_journal-1226	time
american_scientific_journal-1226	technology
american_scientific_journal-1226	research