Fig. 7. Photograph of a retrievable covered stent (constructed in-house) removed 1 month after stent placement shows disruption of the polyurethane covering membrane. Reprinted from the book of Kozarek et al (New York: Springer Science & Business Media; 2012)¹⁵ with permission.

Gastrointestinal Intervention 2016;5:91~97 https://doi.org/10.18528/gii150032

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