Direct MALDI-TOF/TOF analyses of unnatural beauvericins produced by the endophytic fungus Fusarium oxysporum SS46 - Tuiche, Mayra Vendramini; Lopes, Adriana Aparecida; Silva, Denise Brentan da; Lopes, Norberto Peporine; Pupo, Mônica Tallarico (Revista Brasileira de Farmacognosia, 2014)