Hasballah, K., M. Sarong, R. Rusly, K. Tantri, and V. Mulia. “Acute Toxicity and Hepatotoxicity Evaluation of Methanol Extract of Root Bark of Calotropis Gigantea in Rats”. Dhaka University Journal of Pharmaceutical Sciences, Vol. 17, no. 2, Dec. 2018, pp. 243-50, doi:10.3329/dujps.v17i2.39182.