Mulkalwar, S., Shah, A. S., Kataria, P., Gupta, T., Tilak, A. V. and Sharma, B. (2018) “A comparative study of antihyperglycemic effect of Gymnema sylvestre and metformin in streptozotocin induced diabetic rats”, International Journal of Basic & Clinical Pharmacology, 7(8), pp. 1579–1586. doi: 10.18203/2319-2003.ijbcp20183027.