1. Linghu E. Digestive endoscopic tunnel technique therapeutics. Beijing: Beijing Publishing House; 2012.
2. Linghu E. Therapeutics of digestive endoscopic tunnel technique. Berlin: Springer; 2014.
3. Chinese Society of Digestive Endoscopy, Branch of Endoscopy Physicians of Chinese Medical Association, Gastroendoscopy Branch of Beijing Medical Association, et al. Consensus on the digestive endoscopic tunnel technique (2017, Beijing). Chin J Dig Endosc. 2018;35(1):1–14.
4. Linghu E. Summary of the methods for removing periesophageal lesions by transoral esophageal tunnel technique. Chin J Laparosc Surg. 2011;4(5):340–1.
5. Linghu E, Li H, Huang Q, et al. The long circumferential lesions of esophagus were peeled off by tunnel technique. Chin Contin Educ Med. 2011;3(12):69–71.