Non usage of hydroxyurea is associated with high oxidative stress index at steady-state and predicts occurrence of Vaso-occlusive Crisis in Nigerian adults with sickle cell anaemia. - Abdulqadir, Ibrahim; Adanlawo, Waliu T.; Dan-Ali, Saratu M.; Aliyu, Tukur; Dawria, Adam; Mohammed, Iman Awad Saddig; Mohieldin, Ali (Egyptian Journal of Haematology, 2026)