AL-YAHYA, ABDULRAHMAN A.I., et al. “Short Communication: Augmentation of Cardioprotective Effect of Captopril by Costus Speciosus Against Isoproterenol Induced Myocardial Toxicity in Rats”. Nusantara Bioscience, vol. 9, no. 3, Aug. 2017, pp. 295-9, https://doi.org/10.13057/nusbiosci/n090309.