Abdel-Sattar. E, Shohda A. EL-Maraghy, El-Dine RS, Rizk SM. "Russelioside B from Caralluma quadrangula Improved Glucose Metabolism in the Liver of Streptozotocin- Diabetic Rats ." Chemico-Biological Interactions . 2016;252:47-53. copy at www.tinyurl.com/y2frep24