Ultrasound-guided erector spinae plane catheter for postoperative continuous analgesia in a patient undergoing pericardial window opening surgery for pericardial tamponade: a case report. - Şahin, Ayhan; Gültekin, Ahmet; Gürkan, Selami; Baran, Onur; Arar, Cavidan (Ain Shams Journal of Anesthesiology, 2020)