Fig. 3. Photograph shows a biodegradable stent and spontaneous disintegration after being exposed to air for 18 months. Reused from the book chapter of Laasch (Self-expandable stents in the gastrointestinal tract. New York: Springer; 2013, p. 51?87) with permission.

Gastrointestinal Intervention 2015;4:69~75 https://doi.org/10.18528/gii1400020

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