S R Tunis1, J L Kang. 1. Coverage and Analysis Group, Office of Clinical Standards and Quality, Centers for Medicare and Medicaid Services, Baltimore, USA.
Authors: Laxmaiah Manchikanti; Mark V Boswell; Jose J Rivera; Vidya Sagar Pampati; Kim S Damron; Carla D McManus; Doris E Brandon; Sue R Wilson Journal: BMC Anesthesiol Date: 2005-07-06 Impact factor: 2.217