F Osti, FG Corradini, S Hanau, M Matteuzzi and R Gambari (1997) “Human leukemia K562 cells: induction to erythroid differentiation by guanine, guanosine and guanine nucleotides”, Haematologica. Pavia, Italy, 82(4), pp. 395-401. Available at: https://haematologica.org/article/view/942 (Accessed: 28October2026).