Gastrointestinal Tract,Upper

《英文msh詞典》Gastrointestinal Tract,Upper
[入口詞] Gastrointestinal Tract,Upper
[主題詞] Upper Gastrointestinal Tract
[英文釋義] The segment of GASTROINTESTINAL TRACT that includes the ESOPHAGUS; the STOMACH; and the DUODENUM.