id	keyword
american_scientific_journal-2509	ventricles
american_scientific_journal-2509	group
american_scientific_journal-2509	horn
american_scientific_journal-2509	brain
american_scientific_journal-2509	age
american_scientific_journal-2509	body
american_scientific_journal-2509	size
american_scientific_journal-2509	study
american_scientific_journal-2509	technology