Lasch Kathy, Lynch N Timothy, Rutherford Ken, Sherman Crystal, Webster Donovan
Institute for Clinical Research and Health Policy Studies, Tufts-New England Medical Center, Boston, MA, USA.
Pain Med. 2006 Nov-Dec;7 Suppl 2:S213-7. doi: 10.1111/j.1526-4637.2006.00234_7.x.