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Surgical Endoscopy|February 14, 2025
Five-year outcomes of a randomized controlled trial evaluating a non-adjustable ring in Roux-en-Y gastric bypassSietske Okkema, Abel Boerboom, Willem den Hengst, et al.
Obesity Surgery|February 12, 2026
Extended Versus Standard Pouch in Roux-en-Y Gastric Bypass: Five To Nine Year Follow-Up Results of a Randomized Controlled TrialMitchell J R Harker, Sietske Okkema, Maud Schuurman, et al.
International Journal of Colorectal Disease|April 19, 2023
Assessment methods in laparoscopic colorectal surgery: a systematic review of available instrumentsTom van Zwieten, Sietske Okkema, Marc van Det, et al.
Minimally Invasive Therapy & Allied Technologies : MITAT : Official Journal of the Society for Minimally Invasive Therapy|October 26, 2021
Procedure-based assessment for laparoscopic cholecystectomy can replace global rating scalesTom H van Zwieten, Sietske Okkema, Kelvin H Kramp, et al.
Obesity Surgery|January 17, 2025
Reversal of Roux-en-Y Gastric Bypass: A Multi-Centric Analysis of Indications, Techniques, and Surgical OutcomesLiane Plath, Marie Vannijvel, Sietske Okkema, et al.
Annals of Surgery|August 2, 2021
Defining Global Benchmarks in Elective Secondary Bariatric Surgery Comprising Conversional, Revisional, and Reversal ProceduresDaniel Gero, Marie Vannijvel, Sietske Okkema, et al.
Obesity Surgery|July 30, 2021
30-Day Morbidity and Mortality of Bariatric Surgery During the COVID-19 Pandemic: a Multinational Cohort Study of 7704 Patients from 42 CountriesRishi Singhal, Christian Ludwig, Gavin Rudge, et al.
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