Retraction notice to "Natural bioactive molecules: An alternative approach to the treatment and control of glioblastoma multiforme" [Biomedicine & Pharmacotherapy 141 (2021) 111928]. - Tagde P; Tagde S; Bhattacharya T; Garg V; Akter R; Rahman MH; Najda A; Albadrani GM; Sayed AA; Akhtar MF; Saleem A; Altyar AE; et al. (Biomedicine & pharmacotherapy = Biomedecine & pharmacotherapie, 2026)