id	keyword
american_scientific_journal-5551	gerd
american_scientific_journal-5551	reflux
american_scientific_journal-5551	gastroesophageal
american_scientific_journal-5551	disease
american_scientific_journal-5551	symptoms
american_scientific_journal-5551	lifestyle
american_scientific_journal-5551	patients
american_scientific_journal-5551	journal
american_scientific_journal-5551	study
american_scientific_journal-5551	dietary