The Effects of Gum Resin on the Blood Glucose and Lipid Profile of Diabetic Patients: A Double-Blind Randomized Placebo-Controlled Clinical Trial oleh Saeed Mehrzadi PhD, Bahreh Tavakolifar PhD, Hasan Fallah Huseini PhD, Seyed Hamdollah Mosavat PhD, Mojtaba Heydari PhD