D. K. Suman, K. Rani, și P. Sinha, „Comparative study of remifentanil versus fentanyl for intra-operative analgesia during general anaesthesia. A retrospective comparative study at Bmims Pawapuri”., SJHR-Africa, vol. 6, nr. 12, p. 7, dec. 2025, doi: 10.51168/sjhrafrica.v6i12.2365.