acquired obstruction of pylorus 获得性幽门梗阻
obstruction of the pylorus 幽门梗阻
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Objective To study the technique of placement of Nitinol stent for relieving malignant pylorus or duodenal obstruction, and to assess its clinical effectiveness.
目的探讨胃出口、十二指肠恶性梗阻时镍钛记忆合金支架置入的操作技术及其临床疗效。
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