D. Coskun, B. Gunaydin, A. Tas, G. Inan, H. Celebi, and K. Kaya, “ A comparison of three different target-controlled remifentanil infusion rates during target-controlled propofol infusion for oocyte retrieval ”, Clinics, vol. 66, no. 5, pp. 811–815, Jan. 2011, doi: 10.1590/S1807-59322011000500017.