Correlation of SHOX2 gene amplification and DNA methylation in lung cancer tumors - Schneider, Katja U.; Dietrich, Dimo; Fleischhacker, Michael; Leschber, Gunda; Merk, Johannes; Schäper, Frank; Stapert, Henk R.; Vossenaar, Erik R.; Weickmann, Sabine; Liebenberg, Volker; Kneip, Christoph; Seegebarth, Anke; et al. (BMC cancer, 2011)