1. Psoas compartment block for anaesthesia during surgical repair of inguinal hernias 
Z Mokini, C Buccino, G Vitale, T Mauri, R Fumagalli, A Pesenti 
British Journal of Anaesthesia 
Volume 111, Issue 2, Pages (August 2013)
DOI: /bja/aet235
Copyright © 2013 The Author(s) Terms and Conditions

2. Fig 1 Modified access for PCB (PSIS: posterior, superior iliac spine).
British Journal of Anaesthesia  , DOI: ( /bja/aet235)
Copyright © 2013 The Author(s) Terms and Conditions