Sis Jose, Apoorwa Nawrathan Kothari, Rashmi Rani, Usha Ramakrishna Sastry, Deepa Baskaran, and Arpana Kedlaya, “Incidence of fentanyl induced cough and fentanyl induced cough as a risk factor for post operative nausea and vomiting”, Asian J Med Sci, vol. 15, no. 5, pp. 53–57, May 2024.