The relationship between 6-thioguanine levels and remission outcomes in children with autoimmune hepatitis. Single center experience - Kaps-Kopiec, Dominika; Czajkowska, Agnieszka; Górska, Marta; Woźniak, Małgorzata; Jarzębicka, Dorota; Cielecka-Kuszyk, Joanna; Czubkowski, Piotr; Pawłowska, Joanna (Clinical and Experimental Hepatology, 2023)