“emergent gas”可以造什么句，emergent gas造句

Methods: we retrospectively analyzed the emergent gastroscopy and the therapeutic results of 173 cases of hemorrhage of the upper alimentary tract.

Conclusion It is concluded that emergent gastroscopy is safe and effective in upper digestive tract emergency diseases.

To investigate the clinical value of emergent gastroscopy in diagnosing and treating the bleeding of the upper alimentary tract in primary hospitals.