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.
Yang became a U.S. citizen in 1964. He now resides in China, and he was granted permanent residency in China in 2004. He renounced his U.S. citizenship as of Sep 30, 2015 and became a citizen of China.