一次性鞘套胃镜结合上消化道症状调查表在边防官兵上消化道疾病诊断中的应用
일차성초투위경결합상소화도증상조사표재변방관병상소화도질병진단중적응용
Practical efficiency of a disposable sheathed gastroscope combined with upper gastrointestinal symptoms questionnaire in outlying regions
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