Adebayo , A., S. Awwalu, A. D. Waziri, A. Hassan, A. A. Babadoko, and A.I. Mamman. 2021. “Effect Of Hydroxyurea On Thrombospondin-1 And Soluble L-Selectin Levels Among Steady State Patients With Sickle Cell Anaemia ”. Nigerian Journal of Haematology 5 (1&2): 22-27. https://njhaem.org.ng/index.php/home/article/view/55.