Oguwike, F. N., et al. “Effects of Oral Administration of Nicotine on Sex Hormone Concentrations of Adult Albino Rats”. International Journal of Health and Medical Information (IJHMI), vol. 1, no. 1-3, May 2024, pp. 23-26, http://icidr.org.ng/index.php/Ijhmi/article/view/624.