rotinsulu, ingrid, Pangkahila, Wimpie I., AND Budhiarta, A.A. Gede. " Combination treatment of metformin and red fruit (Pandanus conoideus l.) extract increased pancreatic β cell density but had no effect toward fasting blood glucose and glycated albumin levels in diabetic male wistar rats (Rattus norvegicus)" IJAAM (Indonesian Journal of Anti-Aging Medicine) [Online], Volume 3 Number 2 (13 November 2019)