Laparoscopic natural orifice specimen extraction, a minimally invasive surgical technique for mid-rectal cancers: Retrospective single-center analysis and single-surgeon experience... oleh Shan Muhammad, YiBo Gao, Xu Guan, Tang QingChao, Shao Fei, Guiyu Wang, Yinggang Chen, Zheng Liu, Zheng Jiang, Kavanjit Kaur, Kamchedalova Tatiana, Qurat Ul Ain, Xishan Wang, Jie He