Abdullah, Sherif, Nirvana Elshalakany, Yousr Farrag, and Sayed Abed. 2022. “The Use of Erector Spinae Versus Transversus Abdominis Blocks in Ovarian Surgery: A Randomized, Comparative Study”. Colombian Journal of Anesthesiology 50 (4). https://doi.org/10.5554/22562087.e1025.