Mortality rate and biomarker expression within COVID-19 patients who develop acute ischemic stroke: a systematic review and meta-analysis oleh Ahmed Yassin, Ansam Ghzawi, Abdel-Hameed Al-Mistarehi, Khalid El-Salem, Amira Y Benmelouka, Ahmed M Sherif, Nesrine BenhadjDahman, Nameer AlAdamat, Amine Jemel, Ahmed Negida, Mohamed Abdelmonem