G.Revathy, G.Pradeep, V.Rajarajeshwaran, and J.Venkatesh. “Measuring and Monitoring of Physiological Parameters in Patients”. International Journal of Intellectual Advancements and Research in Engineering Computations, vol. 7, no. 1, Mar. 2019, pp. 1052-7, https://ijiarec.com/ijiarec/article/view/916.