PT - JOURNAL ARTICLE AU - Ferris, Lorraine E. AU - Naylor, C. David TI - Rebuttal AID - 10.1503/cmaj.1041447 DP - 2004 Oct 12 TA - Canadian Medical Association Journal PG - 892--893 VI - 171 IP - 8 4099 - http://www.cmaj.ca/content/171/8/892.short 4100 - http://www.cmaj.ca/content/171/8/892.full SO - CMAJ2004 Oct 12; 171