Objective To explore the effect and survival time by setting covered metallic expansible-self stents to treat postradiation esophago-tracheal fistula.
探索放置金属带膜自膨式支架治疗放疗后食管气管瘘的功效及生存
。
Objective To explore the effect and survival time by setting covered metallic expansible-self stents to treat postradiation esophago-tracheal fistula.
探索放置金属带膜自膨式支架治疗放疗后食管气管瘘的功效及生存。
明：以
例句、词
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