Effectiveness of extract and fraction of robusta coffee beans (coffea canephora) against streptozotosin-nicotinamide induced blood glucose levels of male white mice. JOHMPE [Internet]. 11. veljača 2026. [citirano 25. kolovoz 2026.];4(1). Dostupno na: https://shmpublisher.com/index.php/johmpe/article/view/640