Mishra P, Yadav KS, Gautam G. Standardization of roots of Calotropisprocera and Calotropis gigantean via evaluation of morphological and physicochemical parameters. IJRDPL [Internet]. 2017Jul.15 [cited 2025Aug.20];6(4):2706 - 2710. Available from: https://www.ijrdpl.com/index.php/ijrdpl/article/view/134