Genetic inhibition of telomerase induces alternative lengthening of telomeres (ALT) in genetically defined human esophageal epithelial cells - Queisser, A; Thaler, M; Werder, A von; Egenter, EM; Heeg, S; Hirt, N; Kunert, H; Hauss, S; Harada, H; Nakagawa, H; Li, S; Blackburn, EH; Blum, HE; Opitz, OG (Zeitschrift für Gastroenterologie, 2008)