Bass, Adam J, Hideo Watanabe, Craig H Mermel, Soyoung Yu, Sven Perner, Roel G Verhaak, So Young Kim, et al. 2009. SOX2 Is an Amplified Lineage-Survival Oncogene in Lung and Esophageal Squamous Cell Carcinomas. Nature Genetics 41, no. 11: 1238–1242. doi:10.1038/ng.465.