Adelaja, Akinlolu Abdulazeez. “Human Induced Pluripotent Stem Cells Generated Neural Cells Behaving Like Brain and Spinal Cord Cells: An Insight into the Involvement of Retinoic Acid and Sonic Hedgehog Proteins”. International Journal of Health Sciences 11, no. 2 (April 9, 2017). Accessed October 1, 2024. https://pub.qu.edu.sa/index.php/journal/article/view/1844.