“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	Qingshan Qing Shan Bi Xue Qingshang music and dance qing-shang music melody Qingshangou Scenic and Historic Area qingshang tune Qingshanhu Qu Qingshan Qu Qingsheng Luo Qingshen Xian Qingshui He Qingshuihe Hegu Pingyuan Qingshuihe Xian Qingshui Jiang Qingshui jiang Qingshui Treaty of Alliance Qingshui Wenquan Qingshui Xian Qingshui Xiaoqu qingshu yiqi decoction Qing Taizu Wu Emperor's Shilu Qingtang Qingteng Academy Qingteng House and Xu Wei's Tomb Qingtianhe cliff

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