„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), str. 165–172. Dostupno na: https://www.ojshostng.com/index.php/njphysiologicalsciences/article/view/1640 (Pristupljeno: 21 svibanj 2026).