PT - JOURNAL ARTICLE AU - Brad Mackay TI - SARS had immense impact on some MDs' practices DP - 2003 Sep 30 TA - Canadian Medical Association Journal PG - 698--698 VI - 169 IP - 7 4099 - http://www.cmaj.ca/content/169/7/698.1.short 4100 - http://www.cmaj.ca/content/169/7/698.1.full SO - CMAJ2003 Sep 30; 169