Islam, M. A., et al. “Antidiabetic and Hypolipidemic Effects of Different Fractions of Catharanthus Roseus (Linn.) on Normal and Streptozotocin-Induced Diabetic Rats”. Journal of Scientific Research, vol. 1, no. 2, Apr. 2009, pp. 334-4, doi:10.3329/jsr.v1i2.1075.