There are various conditions that may be successfully treated with radiofrequency lesioning, including: 1  Facet joint pain. 2  Discogenic pain. 3  Coccydodynia. Sympathetically mediated pain.
Frederick S. Yang Frederick S. Yang is a partner with the Garin Hart Yang Research Group, one of the most respected and successful political polling firms in the country for Democratic candidates. Garin Hart Yang counts among its current clients 12 members of the U.S. Senate, 18 members of the U.S. House of Representatives, and six sitting governors. He also serves as a senior vice president with Peter D. Hart Research Associates, Inc., Garin Hart Yangâs parent company.
Mr. Yang also is the pollster for 15 members of the U.S. House of Representatives, and has helped elect at least one new House member in each of the past six election cycles. Mr. Yangâs CURRENT clients include Illinois Governor Rod Blagojevich and North Carolina Governor Mike Easley.