Optical Guidance Systems for Epidural Space Identification Carotenuto, Benito ; Micco, Alberto ; Ricciardi, Armando ; Amorizzo, Ezio ; Mercieri, Marco ; Cutolo, Antonello ; Cusano, Andrea Abstract Publication: IEEE Journal of Selected Topics in Quantum Electronics Pub Date: March 2017 DOI: 10.1109/JSTQE.2016.2600027 Bibcode: 2017IJSTQ..23..371C