1. Cook JA, Ramsay CR, Fayers P. Statistical analysis of learning curve effects in surgical trials. Clinical Trials. 2004;1(5):421-427
2. Tang J, Tan S, Fang Q, Miao W, Tang A. Investigation of learning curve for cochlear implantation. Zhonghua Er Bi Yan Hou Tou Jing Wai Ke Za Zhi. 2014;49(8):649-653. DOI: 10.3760/cma.j.issn.1673-0860.2014.08.007
3. Smith SJ, Erail G, Woon K, et al. Light at end of the tunnel. The learning curve associated with endoscopic trans sphenoidal skull base surgery. Skull Base. 2010;20(2):69-74. DOI: 10.1055/s-0029-1238214
4. Liu CY, Yu EC, Lin SH, et al. Learning curve of septomeatoplasty. Auris Nasus Larynx. 2009;36(6):661-664. DOI: 10.1016/j.anl.2009.03.005. Epub 2009 May 2
5. Luers JC, Damm M, Klussmann JP, et al. The learning curve of sialendoscopy with modular sial endoscopes. A single surgeons experience. Archives of Otolaryngology—Head & Neck Surgery. 2010;136(8):762-765. DOI: 10.1001/archoto.2010.109. Epub 2010 Jun 21