Kukreja P, Uppal V, Kofskey AM, Feinstein J, et al. Quality of recovery after pericapsular nerve group (PENG) block for primary total
hip arthroplasty under spinal anaesthesia: a randomised controlled
observer-blinded trial. Br J Anaesth 2023 Mar 22:S0007-0912(23)00078-8. doi: 10.1016/j.bja.2023.
PMID: 36964012