id	keyword
american_scientific_journal-5543	sinus
american_scientific_journal-5543	cysts
american_scientific_journal-5543	maxillary
american_scientific_journal-5543	patient
american_scientific_journal-5543	oral
american_scientific_journal-5543	treatment
american_scientific_journal-5543	research
american_scientific_journal-5543	maxillary sinus