A CASE-CONTROL STUDY OF ESOPHAGEAL AND STOMACH CANCERS IN HIGH INCIDENCE AREA OF UPPER-DIGESTIVE TRACT CANCER是什么意思_A CASE-CONTROL STUDY OF ESOPHAGEAL AND STOMACH CANCERS IN HIGH INCIDENCE AREA OF UPPER-DIGESTIVE TRACT CANCER在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句