Oguche, Emmanuel, et al. “The Effect of Heinsia Crinita Aqueous Leaf Extract on Codeine-Induced Changes of Brain Antioxidant Parameters, TNF-α and Interleukin-6 in Male Wistar Rats”. Biological Sciences, vol. 4, no. 3, Aug. 2024, pp. 746-53, doi:10.55006/biolsciences.2024.4302.