Randomized Controlled Trial
Copyright ©The Author(s) 2021.
World J Clin Cases. Jul 6, 2021; 9(19): 5126-5134
Published online Jul 6, 2021. doi: 10.12998/wjcc.v9.i19.5126
Figure 1
Figure 1 Research flow chart. ESPB: Erector spinae plane block; PCIA: Patient controlled intravenous analgesia.