D. Tomasi, H. . Ferris, P. . Booraem, L. . Enman, S. . Gates, and E. . Reyns, “Olfactory Virtual Reality (OVR) for Wellbeing and Reduction of Stress, Anxiety and Pain”, jmrhs, vol. 4, no. 3, pp. 1212–1221, Mar. 2021.