PT - JOURNAL ARTICLE AU - Ronald Ruskin TI - Friday afternoon AID - 10.1503/cmaj.050719 DP - 2005 Jul 19 TA - Canadian Medical Association Journal PG - 172--173 VI - 173 IP - 2 4099 - http://www.cmaj.ca/content/173/2/172.short 4100 - http://www.cmaj.ca/content/173/2/172.full SO - CMAJ2005 Jul 19; 173