T. E. Joseph, R. Sharawat, V. Phadke, S. C. Acharya, G. Sachdev, and H. S. Chhabra, “Immobilization and evacuation of accident victims by first responders in Delhi, India: a survey”, Int J Community Med Public Health, vol. 8, no. 6, pp. 2874–2880, May 2021.