Objective: To evaluate efficacy of long stent in the treatment of long coronary artery lesion.

目的：评价长支架治疗冠状动脉长病变的疗效。

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AIM: to evaluate the value of lacrimal duct stent in the treatment of dacryocystorhinostomy failure.

目的：评价鼻泪管支架植入术在治疗泪囊鼻腔吻合术后再阻塞的应用价值。

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Objective: To evaluate the effect of metallic stent in the treatment of benign and malignant stricture in esophagus.

目的：评价金属内支架治疗食道良、恶性狭窄的效果及并发症情况。

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But five of the seven, and two of three who received G-CSF alone, experienced in-stent restenosis - where coronary artery narrows again, despite the stent treatment.

BBC: NEWS | Health | Stem cell heart repair 'doubts'