Telomerase activators derived from Astragalus sapogenins via biotransformation with the recently discovered endophytic fungus Camarosporium laburnicola - Küçüksolak, M; Ekiz, G; Duman, S; Yılmaz, S; Ballar-Kırmızıbayrak, P; Bedir, E (Planta Med, 2019)