In vitro, in vivo and in silico anticancer activity and toxicity of Usnic acid extracted from the mycobiont culture of Usnea baileyi. - Mariraj M; Gundappa M; Velayuthaprabhu S; Shah K; Ponnuchamy P; Mendem SK; Singh PS; Chauhan NS (Naunyn-Schmiedeberg's archives of pharmacology, 2025)