المؤلفون: Tham, Sarah, Koh, Frederick H.^{Aff2, IDs00464023104123_cor2}, Teo, Eng-Kiong, Lin, Cui-Li, Foo, Fung-Joon^{Aff2, Aff3}

المصدر: Surgical Endoscopy: And Other Interventional Techniques. 37(10):7395-7400