passages.id: 636
passages.type: sentence
passages.text: We have compared the efficacy of granisetron with perphenazine in the prevention of vomiting after tonsillectomy with or without adenoidectomy in children .
entities.id: 637
entities.type: intervention
entities.text: granisetron
entities.id: 638
entities.type: intervention
entities.text: perphenazine
entities.id: 639
entities.type: outcome
entities.text: efficacy
entities.id: 640
entities.type: participant
entities.text: tonsillectomy with or without adenoidectomy in children