“… 19 , 34 , 62 , 91 Studies designed to evaluate clinical outcomes as well as mechanisms of action, including recent studies of SCS-induced pain relief with functional magnetic resonance imaging, demonstrated the usefulness of combining these approaches. 90 , 92 , 101 , 128 , 162 To date, more than 2500 citations of studies of SCS that report primary data appear on The Neuromodulation Foundation's searchable database ( www.wikistim.org ) 115 ; yet, RCTs are rare, and blinded RCTs rarer yet.…”