20.對於胃食道逆流疾病（gastroesophageal reflux disease）的外科手術適應症，何者錯誤？ A.以proton pump inhibitor（PPI）治療無效的病人 B.預期proton pump inhibitor（PPI）治療會超過 5 年的病人 C.病人合併有嚴重ulcer D.病人有Barrett’s mucosa
Parser adapted from Manning, Christopher D., et al. "The stanford corenlp natural language processing toolkit." 2014.
Visualisation provided using the brat visualisation/annotation software.