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

单词	upper gastrointestinal bleeding
释义	upper gastrointestinal bleeding Encyclopedia 医学消化道出血释 upper gastrointestinal bleeding上消化道出血十二指肠悬韧带（Treitz韧带）以上的消化道出血。包括食管、胃、十二指肠、胆、胰和胃空肠吻合术后部分空肠病变的出血。
随便看	natural attenuation natural attenuation of pollutants natural attributes of population natural background radiation natural bacteria fibers natural-based adhesive natural basis natural bear bile powder natural belt natural bias natural bioactive peptide natural biological component natural biological treatment of livestock and poultry wastewater natural biomaterials natural bitumen natural boundary natural boundary condition natural boundary element method natural boundary homomorphism natural boundary integral method natural boundary integral operator natural boundary of analyticity natural boundary reduction natural bridge natural broadening

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