Fig. 2From: Comparison of postoperative analgesic effects of erector spinae plane block and quadratus lumborum block in laparoscopic liver resection: study protocol for a randomized controlled trialSchedule of enrolment, interventions, and assessments. − t1, the eve of surgery; T0, after induction of general anesthesia; T1, PACU admission; T2, PACU discharge; T3, 24 h after surgery; T4, 48 h after surgery; T5, 72 h after surgeryBack to article page