判斷題

Peptic ulcer is the second important cause which leads to massive hemorrhage from upper digestive tract。

答案：錯誤

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胃潰瘍癌變發(fā)生于潰瘍邊緣。

答案：正確

Cure of infection of H.pylori is defined currently as absence of the organism by tests performed no sooner than 4 weeks after cessation of anticrobial therapy。

答案：錯誤

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