Survivin expression starts before hepatocellular cancer development in the liver of chronic hepatitis B patients: a pilot, cross-sectional study - Akpinar, Muhammet; Guler Simsek, Gulcin; Aksoy, Evrim; Sapmaz, Ferda Pirincci; Kantarci, Selen; Uzman, Metin; Nazligul, Yasar (Gastroenterology Review/Przegląd Gastroenterologiczny, 2020)