Ta, Adigun, Brown Bj, and Amanor -Boadu Sd. “Oral Ketamine Use for Lumbar Puncture in Children Undergoing Intrathecal Chemotherapy in a Developing Country”. International Journal of Medical Science and Clinical Invention 5, no. 7 (July 30, 2018): 3921–3924. Accessed April 20, 2024. http://valleyinternational.net/index.php/ijmsci/article/view/1326.