“obscure gastrointestinal bleeding”的概念、定义、翻译、参考文献-科学参考

单词	obscure gastrointestinal bleeding
释义	obscure gastrointestinal bleeding Encyclopedia 医学消化道出血释 obscure gastrointestinal bleeding不明原因消化道出血常规内镜检查（如胃镜和结肠镜检查）和小肠钡剂检查（如口服钡剂或钡剂灌肠造影）未能查明出血原因的反复或持续性消化道出血。
随便看	smooth potential smooth preparation theorem smooth quadratic form smooth scheme smooth semigroup smooth set smooth solution smooth space smooth sphere smooth square smooth structure smooth submanifold smooth support point smooth surface smooth system smooth test Smooth Traffic Project of City smooth transformation smooth tube smooth variety smooth vector S-morphism SMOS smoulder smouldering

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