N. Singh, Tarun, R. Pal, and A. Chamoli, “Clinical profile of patients with hypertensive crisis in a tertiary care hospital in Haryana, India – A retrospective cross-sectional study”, Asian J Med Sci, vol. 13, no. 1, pp. 66–72, Jan. 2022, doi: 10.3126/ajms.v13i1.39591.