id	keyword
american_scientific_journal-3430	survival
american_scientific_journal-3430	meier
american_scientific_journal-3430	kaplan
american_scientific_journal-3430	time
american_scientific_journal-3430	censoring
american_scientific_journal-3430	study
american_scientific_journal-3430	function
american_scientific_journal-3430	patients
american_scientific_journal-3430	data
american_scientific_journal-3430	method
american_scientific_journal-3430	rate
american_scientific_journal-3430	estimations
american_scientific_journal-3430	children