Lely, Nilda, et al. “Anti-Inflammatory Effect of Isolate Compounds from Ethyl Acetate Fraction of Piper Crocatum Ruiz and Pav Leaves on Lipopolysaccharide-Induced RAW 264.7 Cells”. HAYATI Journal of Biosciences, vol. 30, no. 1, Aug. 2022, pp. 28-34, https://doi.org/10.4308/hjb.30.1.28-34.