Sinha, P. ., V. . Raju, S. B. . Jandrajupalli, S. . Chandolu, A. . Karan, and A. S. . Nayyar. “Assessment of Stress Levels in Patients Visiting for Dental Treatment”. 2018. Biology, Engineering, Medicine and Science Reports, vol. 4, no. 2, Mar. 2019, pp. 42-46, doi:10.5530/bems.4.2.11.