Gastrointestinal tract anastomoses with the biofragmentable anastomosis ring: is it still a valid technique for bowel anastomosis? Analysis of 203 cases and review of the literature. - Bobkiewicz, Adam; Studniarek, Adam; Krokowicz, Lukasz; Szmyt, Krzysztof; Borejsza-Wysocki, Maciej; Szmeja, Jacek; Marciniak, Ryszard; Drews, Michal; Banasiewicz, Tomasz (International Journal of Colorectal Disease, 2017)