“Chronic caffeine ingestion improves memory and learning and increases neuronal population and dendritic length in the hippocampus of adult mice ” (2021) Nigerian Journal of Physiological Sciences, 36(2), पृ. 165–172. पर उपलब्ध: https://ojshostng.com/index.php/njphysiologicalsciences/article/view/1640 (अंतिम उपयोग: 5 अप्रैल 2026).