T.Vijayakumar, S. Balakumar, T. Thayalini, N. Suganthan, and T. Navaratinarajah. “Determination of Serum Antioxidant Activity of Sinna Sivappu Maathirai for Respiratory Symptoms”. Journal of Innovations in Pharmaceutical and Biological Sciences, vol. 5, no. 3, July 2018, pp. 39-41, https://jipbs.com/index.php/journal/article/view/328.