Lee SY, Ryu CG, Koo YH, Cho H, et al. The effect of ultrasound-guided transversus abdominis plane block on pulmonary
function in patients undergoing laparoscopic cholecystectomy: a prospective
randomized study. Surg Endosc 2022 Feb 18. pii: 10.1007/s00464-022-09131.
PMID: 35182213