I would encourage people who are interested in reading updates on evolving medical treatments to use google scholar as their search option. Enter in this situation PEMF and double blind pain and check the date of publication box so only more recent material is presented
Google Scholar
Your challenge will be to separate the good data from those published in journals which accept any material including those produced by the manufacturers. But it is a start. Testimonials are not considered as useful in seriously evaluating benefit .. post hoc ergo propter hoc