Safety and efficacy of selenium in improving the outcomes of stroke patients: a systematic review and meta-analysis with GRADE system. - Salama, Esraa Y.; Shaltout, Mariam A.; Ismail, Rahma Abdelaziz; Afifi, Eslam; Azab, Rana Abdelnasser A.; Abdelshafi, Abdelrahman; Shaheen, Rahma Sameh (Egyptian Journal of Neurology, Psychiatry & Neurosurgery, 2025)