PaintOmics 4: new tools for the integrative analysis of multi-omics datasets supported by multiple pathway databases. - Tianyuan Liu; Pedro Salguero; Marko Petek; Carlos Martínez-Mira; Leandro Balzano-Nogueira; Ziva Ramsak; Lauren McIntyre; Kristina Gruden; Sonia Tarazona; Ana Conesa (Nucleic Acids Res., 2022)