Effects of Hypericum perforatum extract and its main bioactive compounds on the cytotoxicity and expression of CYP1A2 and CYP2D6 in hepatic cells - Silva, S M; Martinho, A; Moreno, I; Silvestre, S; Granadeiro, L B; Alves, G A; Duarte, A P; Domingues, F; Gallardo, E (Life Sci, 2016)