Br J Anaesth. 2013 Nov 1; 111 (5): 721-35.
Posterior transversus abdominis plane block continues to reduce pain scores and opioid consumption at up to 48 hours, though with lesser magnitude.
pearl
Eur J Anaesthesiol. 2012 Feb 1;29(2):88-94.
Ultrasound guided TAP block significantly reduces morphine consumption and improves satisfaction following general anaesthesia caesarean section.
pearl
Anesthesiology. 2014 Mar 1;120(3):703-13.