F. A. Siddiqi, W. Anwar, B. Saeed, M. Hussain, N. Abbas, and J. S. Khan, “Comparison of the Four-step Basic Life Support Approach with Non-Standardised Training Approach in Achieving Basic Life Support Proficiency among the Healthcare Workers”, Pak Armed Forces Med J, vol. 73, no. 6, pp. 1826–1829, Dec. 2023, doi: 10.51253/pafmj.v73i6.10375.