PT - JOURNAL ARTICLE AU - Basil Porter TI - Alone DP - 2002 Jul 23 TA - Canadian Medical Association Journal PG - 174--175 VI - 167 IP - 2 4099 - http://www.cmaj.ca/content/167/2/174.short 4100 - http://www.cmaj.ca/content/167/2/174.full SO - CMAJ2002 Jul 23; 167