PT - JOURNAL ARTICLE AU - Kenneth G. Marshall TI - Rebuttal DP - 2000 Sep 05 TA - Canadian Medical Association Journal PG - 548--548 VI - 163 IP - 5 4099 - http://www.cmaj.ca/content/163/5/548.short 4100 - http://www.cmaj.ca/content/163/5/548.full SO - CMAJ2000 Sep 05; 163