Effects of simulated microgravity on human hematological and anemia-related biomarkers: a systematic review and meta-analysis. - Abolyazed, Ahmed Ayman Mohamed; Elbehery, Wafaa Ahmed; Elsayed, Hanan Mahmoud; ElSheeta, Yousef Hamdy; Elnemr, Abdalla Yasser (Bulletin of the National Research Centre, 2026)