Akor, Francis, Toby Thenat, Sajjad Hussain, and Suresh Kumar. “Spontaneous Subgaleal Haematoma With Severe Headache in Two Children During Acute Painful Sickle Cell Crisis”. Nigerian Medical Journal 66, no. 1 (April 3, 2025): 379. Accessed June 27, 2026. https://www.nigerianmedjournal.org/index.php/nmj/article/view/615.