Table 2.
Control group: L3, 4 and 5 Medial Branch Block without Collimation, Collimation group: L3, 4 and 5 Medial Branch Block with Collimation.
Control group: L3, 4 and 5 Medial Branch Block without Collimation, Collimation group: L3, 4 and 5 Medial Branch Block with Collimation.