Karcz, W. K., Marjanovic, G., Grueneberger, J., Baumann, T., Bukhari, W., Krawczykowski, D., & Kuesters, S. (2011). Banded Sleeve Gastrectomy Using the GaBP Ring – Surgical Technique. Obes Facts.

Karcz, Wojciech Konrad, Goran Marjanovic, Jodok Grueneberger, Tobias Baumann, Waleed Bukhari, Daniel Krawczykowski, and Simon Kuesters. "Banded Sleeve Gastrectomy Using the GaBP Ring – Surgical Technique." Obes Facts 2011.

Karcz, Wojciech Konrad, et al. "Banded Sleeve Gastrectomy Using the GaBP Ring – Surgical Technique." Obes Facts 2011.