Song, Ling Yun, Qi Lin, Lian Biao Li, and Xiu Cheng. 2019. “Clinical Exploration of Marking Targeting Biopsy in the Intraoperative Localization Value of Colon Polypectomy”. Pakistan Journal of Medical Sciences 36 (2). https://doi.org/10.12669/pjms.36.2.756.