Combinatorial drug repurposing of Valproic acid and Zebularine regulates Krüppel-like factor 4 and β-catenin expression in colon cancer cells. - Kandhavelu J; Subramanian K; Moodley N; Abass KS; Sureka C; Kandhavelu M; Ruff P; Penny C (PloS one, 2026)