id	keyword
american_scientific_journal-4104	breast
american_scientific_journal-4104	cancer
american_scientific_journal-4104	detection
american_scientific_journal-4104	mammography
american_scientific_journal-4104	mammogram
american_scientific_journal-4104	screening
american_scientific_journal-4104	system
american_scientific_journal-4104	technology
american_scientific_journal-4104	image
american_scientific_journal-4104	research