1. Li H, Linghu E, Wang X. Fibrin sealant for closure of mucosal penetration at the cardia during peroral endoscopic myotomy (POEM). Endoscopy. 2012;44(Suppl 2 UCTN):E215–6.
2. Linghu E. The establishment and prospect of tunnel technology. Chin J Endosc Surg (Electronic Edition). 2011;5:326–7. (in Chinese).
3. Linghu E, Yang J, Zhang YC, et al. Feasibility study on removal of lesions above 2.5cm by transoral tunnel technique. Chin J Endosc Surgery (Electronic Edition). 2011;5:394–6. (in Chinese).
4. Zhang YC. Experimental study on the use of tunnel technology for the resection of the lamina propria of the esophagus. Chin J Endosc Surg (Electronic Version). 2011;4(5):392–3. (in Chinese).
5. Linghu E, Li HK, Peng LH. Endoscopic esophageal myotomy with transverse opening of tunnel for achalasia of cardia: a report of 5 cases. Chin J Endosc Surg (Electronic Edition). 2011;4(5):399–401. (in Chinese).